<XBRL>
<?xml version="1.0" encoding="us-ascii" standalone="no"?>
<!--XBRL document created with Bowne Tagger XBRL Enabler by Bowne Software version 10.0.0.34-->
<!--Based on XBRL 2.1-->
<!--Modified on: 10/27/2011 9:39:13 AM-->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#LandfillAndEnvironmentalRemediationLiabilities" roleURI="http://wm.com/role/LandfillAndEnvironmentalRemediationLiabilities" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#Debt" roleURI="http://wm.com/role/Debt" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#EarningsPerShare" roleURI="http://wm.com/role/EarningsPerShare" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#CommitmentsAndContingencies" roleURI="http://wm.com/role/CommitmentsAndContingencies" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#SegmentAndRelatedInformation" roleURI="http://wm.com/role/SegmentAndRelatedInformation" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#FairValueMeasurements" roleURI="http://wm.com/role/FairValueMeasurements" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#CondensedConsolidatingFinancialStatements" roleURI="http://wm.com/role/CondensedConsolidatingFinancialStatements" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#BalanceSheets" roleURI="http://wm.com/role/BalanceSheets" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#StatementsOfOperations" roleURI="http://wm.com/role/StatementsOfOperations" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#StatementsOfCashFlows" roleURI="http://wm.com/role/StatementsOfCashFlows" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#BalanceSheetsParenthetical" roleURI="http://wm.com/role/BalanceSheetsParenthetical" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#StatementsOfChangesInEquity" roleURI="http://wm.com/role/StatementsOfChangesInEquity" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#StatementsOfChangesInEquityParenthetical" roleURI="http://wm.com/role/StatementsOfChangesInEquityParenthetical" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#FairValueMeasurementsDetails" roleURI="http://wm.com/role/FairValueMeasurementsDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#LandfillAndEnvironmentalRemediationLiabilitiesTables" roleURI="http://wm.com/role/LandfillAndEnvironmentalRemediationLiabilitiesTables" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#EarningsPerShareTables" roleURI="http://wm.com/role/EarningsPerShareTables" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#CondensedConsolidatingFinancialStatementsTables" roleURI="http://wm.com/role/CondensedConsolidatingFinancialStatementsTables" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#LandfillAndEnvironmentalRemediationLiabilitiesDetails" roleURI="http://wm.com/role/LandfillAndEnvironmentalRemediationLiabilitiesDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#EarningsPerShareDetails" roleURI="http://wm.com/role/EarningsPerShareDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#CondensedConsolidatingFinancialStatementsDetails" roleURI="http://wm.com/role/CondensedConsolidatingFinancialStatementsDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#DebtTables" roleURI="http://wm.com/role/DebtTables" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#DebtDetails" roleURI="http://wm.com/role/DebtDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#SegmentAndRelatedInformationTables" roleURI="http://wm.com/role/SegmentAndRelatedInformationTables" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#SegmentAndRelatedInformationDetails" roleURI="http://wm.com/role/SegmentAndRelatedInformationDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#DocumentAndEntityInformation" roleURI="http://wm.com/role/DocumentAndEntityInformation" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#IncomeTaxes" roleURI="http://wm.com/role/IncomeTaxes" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#LandfillAndEnvironmentalRemediationLiabilitiesDetails1" roleURI="http://wm.com/role/LandfillAndEnvironmentalRemediationLiabilitiesDetails1" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#FairValueMeasurementsDetailsTextuals" roleURI="http://wm.com/role/FairValueMeasurementsDetailsTextuals" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#SegmentAndRelatedInformationDetailsTextuals" roleURI="http://wm.com/role/SegmentAndRelatedInformationDetailsTextuals" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#CondensedConsolidatingFinancialStatementsDetails1" roleURI="http://wm.com/role/CondensedConsolidatingFinancialStatementsDetails1" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#CondensedConsolidatingFinancialStatementsDetails2" roleURI="http://wm.com/role/CondensedConsolidatingFinancialStatementsDetails2" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#DerivativeInstrumentsAndHedgingActivities" roleURI="http://wm.com/role/DerivativeInstrumentsAndHedgingActivities" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#DerivativeInstrumentsAndHedgingActivitiesTables" roleURI="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesTables" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#DerivativeInstrumentsAndHedgingActivitiesDetails" roleURI="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#DerivativeInstrumentsAndHedgingActivitiesDetails1" roleURI="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesDetails1" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#DerivativeInstrumentsAndHedgingActivitiesDetails2" roleURI="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesDetails2" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#DerivativeInstrumentsAndHedgingActivitiesDetails3" roleURI="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesDetails3" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#DerivativeInstrumentsAndHedgingActivitiesDetailsTextuals" roleURI="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesDetailsTextuals" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#BasisOfPresentation" roleURI="http://wm.com/role/BasisOfPresentation" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#ComprehensiveIncome" roleURI="http://wm.com/role/ComprehensiveIncome" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#BasisOfPresentationPolicies" roleURI="http://wm.com/role/BasisOfPresentationPolicies" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#ComprehensiveIncomeDetails" roleURI="http://wm.com/role/ComprehensiveIncomeDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#ComprehensiveIncomeTables" roleURI="http://wm.com/role/ComprehensiveIncomeTables" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#DebtDetailsTextual" roleURI="http://wm.com/role/DebtDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#VariableInterestEntities" roleURI="http://wm.com/role/VariableInterestEntities" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#VariableInterestEntitiesDetails" roleURI="http://wm.com/role/VariableInterestEntitiesDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" roleURI="http://wm.com/role/IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetails" roleURI="http://wm.com/role/IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#FairValueMeasurementsTables" roleURI="http://wm.com/role/FairValueMeasurementsTables" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#NewAccountingPronouncementPendingAdoption" roleURI="http://wm.com/role/NewAccountingPronouncementPendingAdoption" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#Restructuring" roleURI="http://wm.com/role/Restructuring" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#RestructuringTables" roleURI="http://wm.com/role/RestructuringTables" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#RestructuringDetails" roleURI="http://wm.com/role/RestructuringDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#LandfillAndEnvironmentalRemediationLiabilitiesDetailsTextual" roleURI="http://wm.com/role/LandfillAndEnvironmentalRemediationLiabilitiesDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#IncomeTaxesDetailsTextual" roleURI="http://wm.com/role/IncomeTaxesDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#CommitmentsAndContingenciesDetailsTextual" roleURI="http://wm.com/role/CommitmentsAndContingenciesDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#RestructuringDetailsTextual" roleURI="http://wm.com/role/RestructuringDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#AcquisitionOfOakleafGlobalHoldingsDetails" roleURI="http://wm.com/role/AcquisitionOfOakleafGlobalHoldingsDetails" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#AcquisitionOfOakleafGlobalHoldingsDetails1" roleURI="http://wm.com/role/AcquisitionOfOakleafGlobalHoldingsDetails1" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#AcquisitionOfOakleafGlobalHoldingsDetails2" roleURI="http://wm.com/role/AcquisitionOfOakleafGlobalHoldingsDetails2" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#AcquisitionOfOakleafGlobalHoldingsDetailsTextual" roleURI="http://wm.com/role/AcquisitionOfOakleafGlobalHoldingsDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#AcquisitionOfOakleafGlobalHoldingsTables" roleURI="http://wm.com/role/AcquisitionOfOakleafGlobalHoldingsTables" />
  <roleRef xlink:type="simple" xlink:href="wm-20110930.xsd#AcquisitionOfOakleafGlobalHoldings" roleURI="http://wm.com/role/AcquisitionOfOakleafGlobalHoldings" />
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/LandfillAndEnvironmentalRemediationLiabilities" xlink:title="0202 - Disclosure - Landfill and Environmental Remediation Liabilities">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AssetRetirementObligationsAndEnvironmentalLossContingenciesDisclosuresTextBlock" xlink:label="wm_AssetRetirementObligationsAndEnvironmentalLossContingenciesDisclosuresTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="wm_AssetRetirementObligationsAndEnvironmentalLossContingenciesDisclosuresTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/Debt" xlink:title="0203 - Disclosure - Debt">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DebtAbstract" xlink:label="wm_DebtAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="loc_DebtDisclosureTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtAbstract" xlink:to="loc_DebtDisclosureTextBlock" order="20" use="optional" priority="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/EarningsPerShare" xlink:title="0207 - Disclosure - Earnings Per Share">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_EarningsPerShareTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="loc_EarningsPerShareTextBlock" order="20" use="optional" priority="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/CommitmentsAndContingencies" xlink:title="0208 - Disclosure - Commitments and Contingencies">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CommitmentsAndContingenciesAbstract" xlink:label="wm_CommitmentsAndContingenciesAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_CommitmentsAndContingenciesDisclosureTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesAbstract" xlink:to="loc_CommitmentsAndContingenciesDisclosureTextBlock" order="20" use="optional" priority="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/SegmentAndRelatedInformation" xlink:title="0209 - Disclosure - Segment and Related Information">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SegmentAndRelatedInformationAbstract" xlink:label="wm_SegmentAndRelatedInformationAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_SegmentReportingDisclosureTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_SegmentAndRelatedInformationAbstract" xlink:to="loc_SegmentReportingDisclosureTextBlock" order="20" use="optional" priority="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/FairValueMeasurements" xlink:title="0213 - Disclosure - Fair Value Measurements">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueMeasurementsAbstract" xlink:label="wm_FairValueMeasurementsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_FairValueDisclosuresTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_FairValueMeasurementsAbstract" xlink:to="loc_FairValueDisclosuresTextBlock" order="20" use="optional" priority="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/CondensedConsolidatingFinancialStatements" xlink:title="0215 - Disclosure - Condensed Consolidating Financial Statements">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CondensedConsolidatingFinancialStatementsAbstract" xlink:label="wm_CondensedConsolidatingFinancialStatementsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTextBlock" xlink:label="loc_ScheduleOfCondensedFinancialStatementsTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CondensedConsolidatingFinancialStatementsAbstract" xlink:to="loc_ScheduleOfCondensedFinancialStatementsTextBlock" order="20" use="optional" priority="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/BalanceSheets" xlink:title="0110 - Statement - Condensed Consolidated Balance Sheets">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_StatementOfFinancialPositionAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_AssetsAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfFinancialPositionAbstract" xlink:to="loc_AssetsAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_AssetsCurrentAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="loc_AssetsCurrentAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_CashAndCashEquivalentsAtCarryingValue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsCurrentAbstract" xlink:to="loc_CashAndCashEquivalentsAtCarryingValue" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_AccountsReceivableNetCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsCurrentAbstract" xlink:to="loc_AccountsReceivableNetCurrent" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherReceivables" xlink:label="loc_OtherReceivables" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsCurrentAbstract" xlink:to="loc_OtherReceivables" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Supplies" xlink:label="loc_Supplies" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsCurrentAbstract" xlink:to="loc_Supplies" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="loc_DeferredTaxAssetsNetCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsCurrentAbstract" xlink:to="loc_DeferredTaxAssetsNetCurrent" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsCurrentAbstract" xlink:to="us-gaap_OtherAssetsCurrent_2" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrent_2" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_2" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_Goodwill" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="loc_Goodwill" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill_2" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="us-gaap_OtherAssetsNoncurrent_2" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Assets" xlink:label="loc_Assets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="loc_Assets" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_LiabilitiesAndStockholdersEquityAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfFinancialPositionAbstract" xlink:to="loc_LiabilitiesAndStockholdersEquityAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_LiabilitiesCurrentAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_LiabilitiesCurrentAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_AccountsPayableCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesCurrentAbstract" xlink:to="loc_AccountsPayableCurrent" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_AccruedLiabilitiesCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesCurrentAbstract" xlink:to="loc_AccruedLiabilitiesCurrent" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredRevenueAndCreditsCurrent" xlink:label="loc_DeferredRevenueAndCreditsCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesCurrentAbstract" xlink:to="loc_DeferredRevenueAndCreditsCurrent" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_DebtCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesCurrentAbstract" xlink:to="loc_DebtCurrent" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrent_2" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_LongTermDebtAndCapitalLeaseObligations" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_LongTermDebtAndCapitalLeaseObligations" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_DeferredTaxLiabilitiesNoncurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_DeferredTaxLiabilitiesNoncurrent" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies" xlink:label="wm_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="wm_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_OtherLiabilitiesNoncurrent_2" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_Liabilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_Liabilities" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommitmentsAndContingencies2009" xlink:label="loc_CommitmentsAndContingencies2009" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_CommitmentsAndContingencies2009" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" order="160" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_StockholdersEquityAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_StockholdersEquityAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_CommonStockValue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityAbstract" xlink:to="loc_CommonStockValue" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_AdditionalPaidInCapitalCommonStock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityAbstract" xlink:to="loc_AdditionalPaidInCapitalCommonStock" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_RetainedEarningsAccumulatedDeficit" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityAbstract" xlink:to="loc_RetainedEarningsAccumulatedDeficit" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityAbstract" xlink:to="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTax" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_TreasuryStockValue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityAbstract" xlink:to="loc_TreasuryStockValue" order="100" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_StockholdersEquity" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityAbstract" xlink:to="loc_StockholdersEquity" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_MinorityInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_MinorityInterest" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_LiabilitiesAndStockholdersEquity" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_LiabilitiesAndStockholdersEquity" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/StatementsOfOperations" xlink:title="0120 - Statement - Condensed Consolidated Statements of Operations (Unaudited)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_IncomeStatementAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Revenues" xlink:label="loc_Revenues" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_Revenues" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingCostsAndExpensesAbstract" xlink:label="loc_OperatingCostsAndExpensesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_OperatingCostsAndExpensesAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_Operating" xlink:label="wm_Operating" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OperatingCostsAndExpensesAbstract" xlink:to="wm_Operating" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_SellingGeneralAndAdministrativeExpense" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OperatingCostsAndExpensesAbstract" xlink:to="loc_SellingGeneralAndAdministrativeExpense" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_CostsAndExpenses" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OperatingCostsAndExpensesAbstract" xlink:to="loc_CostsAndExpenses" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_OperatingIncomeLoss" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_OperatingIncomeLoss" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_InterestAndOtherIncomeExpenseAbstract" xlink:label="wm_InterestAndOtherIncomeExpenseAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="wm_InterestAndOtherIncomeExpenseAbstract" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestAndDebtExpense" xlink:label="loc_InterestAndDebtExpense" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_InterestAndOtherIncomeExpenseAbstract" xlink:to="loc_InterestAndDebtExpense" order="20" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_OtherNonoperatingIncomeExpense" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_InterestAndOtherIncomeExpenseAbstract" xlink:to="loc_OtherNonoperatingIncomeExpense" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsCumulativeEffectsOfChangesInAccountingPrinciplesAndNoncontrollingInterest" xlink:label="wm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsCumulativeEffectsOfChangesInAccountingPrinciplesAndNoncontrollingInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="wm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsCumulativeEffectsOfChangesInAccountingPrinciplesAndNoncontrollingInterest" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_IncomeTaxExpenseBenefit" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_IncomeTaxExpenseBenefit" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_ProfitLoss" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_ProfitLoss" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_NetIncomeLossAttributableToNoncontrollingInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_NetIncomeLossAttributableToNoncontrollingInterest" order="160" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_NetIncomeLoss" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_NetIncomeLoss" order="180" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_EarningsPerShareBasic" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_EarningsPerShareBasic" order="200" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_EarningsPerShareDiluted" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_EarningsPerShareDiluted" order="220" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_CommonStockDividendsPerShareDeclared" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_CommonStockDividendsPerShareDeclared" order="240" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_DepreciationDepletionAndAmortization" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OperatingCostsAndExpensesAbstract" xlink:to="loc_DepreciationDepletionAndAmortization" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_IncomeLossFromEquityMethodInvestments" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_InterestAndOtherIncomeExpenseAbstract" xlink:to="loc_IncomeLossFromEquityMethodInvestments" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_RestructuringCharges" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OperatingCostsAndExpensesAbstract" xlink:to="loc_RestructuringCharges" order="90" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OperatingCostsAndExpensesAbstract" xlink:to="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" order="97.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_InterestAndOtherIncomeExpense" xlink:label="wm_InterestAndOtherIncomeExpense" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_InterestAndOtherIncomeExpenseAbstract" xlink:to="wm_InterestAndOtherIncomeExpense" order="110" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_InvestmentIncomeInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_InterestAndOtherIncomeExpenseAbstract" xlink:to="loc_InvestmentIncomeInterest" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/StatementsOfCashFlows" xlink:title="0130 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_StatementOfCashFlowsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_NetCashProvidedByUsedInOperatingActivitiesAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_ProfitLoss" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_ProfitLoss" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets" xlink:label="wm_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="wm_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_DeferredIncomeTaxExpenseBenefit" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_DeferredIncomeTaxExpenseBenefit" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_InterestAccretionOnLandfillLiabilities" xlink:label="wm_InterestAccretionOnLandfillLiabilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="wm_InterestAccretionOnLandfillLiabilities" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_InterestAccretionOnAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets" xlink:label="wm_InterestAccretionOnAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="wm_InterestAccretionOnAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_ProvisionForDoubtfulAccounts" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_ProvisionForDoubtfulAccounts" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_ShareBasedCompensation" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_ShareBasedCompensation" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="loc_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" order="200" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_IncreaseDecreaseInOperatingCapitalAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_IncreaseDecreaseInOperatingCapitalAbstract" order="220" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xlink:label="loc_IncreaseDecreaseInAccountsAndOtherReceivables" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="loc_IncreaseDecreaseInAccountsAndOtherReceivables" order="20" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IncreaseDecreaseInOtherAssetsCurrent" xlink:label="wm_IncreaseDecreaseInOtherAssetsCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="wm_IncreaseDecreaseInOtherAssetsCurrent" order="40" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IncreaseDecreaseInOtherAssetsNonCurrent" xlink:label="wm_IncreaseDecreaseInOtherAssetsNonCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="wm_IncreaseDecreaseInOtherAssetsNonCurrent" order="60" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="loc_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_IncreaseDecreaseInOtherOperatingLiabilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="loc_IncreaseDecreaseInOtherOperatingLiabilities" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_NetCashProvidedByUsedInOperatingActivities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_NetCashProvidedByUsedInOperatingActivities" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_2" order="20" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_PaymentsToAcquireProductiveAssets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="loc_PaymentsToAcquireProductiveAssets" order="40" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" xlink:label="wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_IncreaseDecreaseInRestrictedCash_2" order="80" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_2" order="120" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_NetCashProvidedByUsedInInvestingActivities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="loc_NetCashProvidedByUsedInInvestingActivities" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xlink:label="loc_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="loc_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities" xlink:label="us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_2" order="40" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_2" order="60" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_PaymentsOfDividendsCommonStock_2" order="80" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_ProceedsFromStockOptionsExercised" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="loc_ProceedsFromStockOptionsExercised" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="loc_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromPaymentsToMinorityShareholders" xlink:label="loc_ProceedsFromPaymentsToMinorityShareholders" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="loc_ProceedsFromPaymentsToMinorityShareholders" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_2" order="160" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_NetCashProvidedByUsedInFinancingActivities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="loc_NetCashProvidedByUsedInFinancingActivities" order="180" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_EffectOfExchangeRateOnCashAndCashEquivalents" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_EffectOfExchangeRateOnCashAndCashEquivalents" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_CashAndCashEquivalentsPeriodIncreaseDecrease" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_CashAndCashEquivalentsAtCarryingValue_1" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_CashAndCashEquivalentsAtCarryingValue_1" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_GainLossOnSaleOfPropertyPlantEquipment" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_GainLossOnSaleOfPropertyPlantEquipment" order="160" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="loc_PaymentsToAcquireEquityMethodInvestments" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="loc_PaymentsToAcquireEquityMethodInvestments" order="100" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_CashAndCashEquivalentsAtCarryingValue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_CashAndCashEquivalentsAtCarryingValue" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="loc_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" order="210" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion" order="205" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/BalanceSheetsParenthetical" xlink:title="0111 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_StatementOfFinancialPositionAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_AssetsCurrentAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfFinancialPositionAbstract" xlink:to="loc_AssetsCurrentAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_AllowanceForDoubtfulAccountsReceivableCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsCurrentAbstract" xlink:to="loc_AllowanceForDoubtfulAccountsReceivableCurrent" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_StockholdersEquityAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfFinancialPositionAbstract" xlink:to="loc_StockholdersEquityAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_CommonStockParOrStatedValuePerShare" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityAbstract" xlink:to="loc_CommonStockParOrStatedValuePerShare" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_CommonStockSharesAuthorized" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityAbstract" xlink:to="loc_CommonStockSharesAuthorized" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_CommonStockSharesIssued" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityAbstract" xlink:to="loc_CommonStockSharesIssued" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_TreasuryStockShares" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityAbstract" xlink:to="loc_TreasuryStockShares" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsNoncurrentAbstract" xlink:label="loc_AssetsNoncurrentAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfFinancialPositionAbstract" xlink:to="loc_AssetsNoncurrentAbstract" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsNoncurrentAbstract" xlink:to="loc_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/StatementsOfChangesInEquity" xlink:title="0140 - Statement - Condensed Consolidated Statements of Changes in Equity (Unaudited)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_StatementOfStockholdersEquityAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_StatementTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfStockholdersEquityAbstract" xlink:to="loc_StatementTable" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_StatementLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementTable" xlink:to="loc_StatementLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_TreasuryStockValueAcquiredCostMethod" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="loc_TreasuryStockValueAcquiredCostMethod" order="160" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="loc_StockRepurchasedDuringPeriodShares" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="loc_StockRepurchasedDuringPeriodShares" order="180" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1" order="320" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNoteAbstract" xlink:label="loc_ComprehensiveIncomeNoteAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNoteAbstract" xlink:to="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_StatementEquityComponentsAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementTable" xlink:to="loc_StatementEquityComponentsAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_EquityComponentDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementEquityComponentsAxis" xlink:to="loc_EquityComponentDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_ParentMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EquityComponentDomain" xlink:to="loc_ParentMember" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_CommonStockMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ParentMember" xlink:to="loc_CommonStockMember" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_AdditionalPaidInCapitalMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ParentMember" xlink:to="loc_AdditionalPaidInCapitalMember" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_RetainedEarningsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ParentMember" xlink:to="loc_RetainedEarningsMember" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_AccumulatedOtherComprehensiveIncomeMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ParentMember" xlink:to="loc_AccumulatedOtherComprehensiveIncomeMember" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares" xlink:label="wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_TreasuryStockMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ParentMember" xlink:to="loc_TreasuryStockMember" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_SharesIssued_1" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="loc_SharesIssued_1" order="340" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_SharesIssued" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="loc_SharesIssued" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="loc_ComprehensiveIncomeNoteAbstract" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="loc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_2" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="loc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="loc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_ProfitLoss" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNoteAbstract" xlink:to="loc_ProfitLoss" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxes" xlink:label="wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxes" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxes" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="loc_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="loc_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" order="200" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_DividendsCommonStockCash" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="loc_DividendsCommonStockCash" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_OtherTransactionShares" xlink:label="wm_OtherTransactionShares_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="wm_OtherTransactionShares_2" order="300" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="loc_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="loc_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease" order="45" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="loc_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" order="85" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="us-gaap_NoncontrollingInterestMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ParentMember" xlink:to="us-gaap_NoncontrollingInterestMember" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeMember" xlink:label="loc_ComprehensiveIncomeMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ParentMember" xlink:to="loc_ComprehensiveIncomeMember" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_OtherTransaction" xlink:label="wm_OtherTransaction" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="wm_OtherTransaction" order="250" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/StatementsOfChangesInEquityParenthetical" xlink:title="0141 - Statement - Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_StatementOfStockholdersEquityAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_StatementTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfStockholdersEquityAbstract" xlink:to="loc_StatementTable" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_StatementLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementTable" xlink:to="loc_StatementLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_StatementEquityComponentsAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementTable" xlink:to="loc_StatementEquityComponentsAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_EquityComponentDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementEquityComponentsAxis" xlink:to="loc_EquityComponentDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_ParentMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EquityComponentDomain" xlink:to="loc_ParentMember" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_AccumulatedOtherComprehensiveIncomeMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ParentMember" xlink:to="loc_AccumulatedOtherComprehensiveIncomeMember" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNoteAbstract" xlink:label="loc_ComprehensiveIncomeNoteAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementLineItems" xlink:to="loc_ComprehensiveIncomeNoteAbstract" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:label="loc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNoteAbstract" xlink:to="loc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax" xlink:label="loc_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNoteAbstract" xlink:to="loc_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTax" xlink:label="loc_OtherComprehensiveIncomeAvailableForSaleSecuritiesTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNoteAbstract" xlink:to="loc_OtherComprehensiveIncomeAvailableForSaleSecuritiesTax" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTax" xlink:label="loc_OtherComprehensiveIncomeDefinedBenefitPlansTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNoteAbstract" xlink:to="loc_OtherComprehensiveIncomeDefinedBenefitPlansTax" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeMember" xlink:label="loc_ComprehensiveIncomeMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ParentMember" xlink:to="loc_ComprehensiveIncomeMember" order="40" use="optional" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/FairValueMeasurementsDetails" xlink:title="0613 - Disclosure - Fair Value Measurements (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueMeasurementsDetailsAbstract" xlink:label="wm_FairValueMeasurementsDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:label="loc_FairValueAssetsMeasuredOnRecurringBasisTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_FairValueMeasurementsDetailsAbstract" xlink:to="loc_FairValueAssetsMeasuredOnRecurringBasisTable" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xlink:label="loc_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:to="loc_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:label="loc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xlink:to="loc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_AssetsAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:to="loc_AssetsAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_FairValueInputsLevel1Member" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_FairValueInputsLevel2Member" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_FairValueInputsLevel3Member" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="wm_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="wm_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="wm_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" xlink:label="loc_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:to="loc_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:label="loc_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" xlink:to="loc_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" order="20" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:to="loc_FairValueInputsLevel1Member" order="20" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:to="loc_FairValueInputsLevel2Member" order="40" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:to="loc_FairValueInputsLevel3Member" order="60" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsAxis" xlink:label="loc_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueLiabilitiesMeasuredOnRecurringBasisTable" xlink:to="loc_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsAxis" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:label="loc_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsAxis" xlink:to="loc_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsDomain" order="20" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:to="loc_FairValueInputsLevel1Member" order="20" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:to="loc_FairValueInputsLevel2Member" order="40" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:to="loc_FairValueInputsLevel3Member" order="60" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xlink:label="loc_FairValueLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueLiabilitiesMeasuredOnRecurringBasisTable" xlink:to="loc_FairValueLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTable" xlink:label="loc_FairValueLiabilitiesMeasuredOnRecurringBasisTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_FairValueMeasurementsDetailsAbstract" xlink:to="loc_FairValueLiabilitiesMeasuredOnRecurringBasisTable" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_LiabilitiesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValueLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xlink:to="loc_LiabilitiesAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAbstract" xlink:to="wm_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAbstract" xlink:to="wm_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives" order="32.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueAssetsMeasuredOnRecurringBasis" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="wm_FairValueAssetsMeasuredOnRecurringBasis" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueLiabilitiesMeasuredOnRecurringBasis" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAbstract" xlink:to="wm_FairValueLiabilitiesMeasuredOnRecurringBasis" order="90" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueAssetsMeasuredOnRecurringBasisForeignCurrencyDerivatives" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisForeignCurrencyDerivatives" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="wm_FairValueAssetsMeasuredOnRecurringBasisForeignCurrencyDerivatives" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueAssetsMeasuredOnRecurringBasisElectricityCommodityDerivatives" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisElectricityCommodityDerivatives" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="wm_FairValueAssetsMeasuredOnRecurringBasisElectricityCommodityDerivatives" order="110" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAbstract" xlink:to="wm_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives" order="16.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/LandfillAndEnvironmentalRemediationLiabilitiesTables" xlink:title="0502 - Disclosure - Landfill and Environmental Remediation Liabilities (Tables)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock" xlink:label="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract" xlink:to="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock" order="32.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AssetRetirementObligationAndEnvironmentalRemediationCostsRollForwardAnalysisTextBlock" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationCostsRollForwardAnalysisTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract" xlink:to="wm_AssetRetirementObligationAndEnvironmentalRemediationCostsRollForwardAnalysisTextBlock" order="55" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/EarningsPerShareTables" xlink:title="0507 - Disclosure - Earnings Per Share (Tables)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EarningsPerShareTablesAbstract" xlink:label="wm_EarningsPerShareTablesAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CommonShareDataUsedForComputingBasicAndDilutedEarningsPerShareTextBlock" xlink:label="wm_CommonShareDataUsedForComputingBasicAndDilutedEarningsPerShareTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_EarningsPerShareTablesAbstract" xlink:to="wm_CommonShareDataUsedForComputingBasicAndDilutedEarningsPerShareTextBlock" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/CondensedConsolidatingFinancialStatementsTables" xlink:title="0515 - Disclosure - Condensed Consolidating Financial Statements (Tables)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CondensedConsolidatingFinancialStatementsTablesAbstract" xlink:label="wm_CondensedConsolidatingFinancialStatementsTablesAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_BalanceSheetsTextBlock" xlink:label="wm_BalanceSheetsTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CondensedConsolidatingFinancialStatementsTablesAbstract" xlink:to="wm_BalanceSheetsTextBlock" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_StatementsOfOperationsTextBlock" xlink:label="wm_StatementsOfOperationsTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CondensedConsolidatingFinancialStatementsTablesAbstract" xlink:to="wm_StatementsOfOperationsTextBlock" order="65" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_StatementsOfCashFlowsTextBlock" xlink:label="wm_StatementsOfCashFlowsTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CondensedConsolidatingFinancialStatementsTablesAbstract" xlink:to="wm_StatementsOfCashFlowsTextBlock" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/LandfillAndEnvironmentalRemediationLiabilitiesDetails" xlink:title="0602 - Disclosure - Landfill and Environmental Remediation Liabilities (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SiteContingencyTable" xlink:label="loc_SiteContingencyTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" xlink:to="loc_SiteContingencyTable" order="5" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EnvironmentalExitCostByPropertyAxis" xlink:label="loc_EnvironmentalExitCostByPropertyAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SiteContingencyTable" xlink:to="loc_EnvironmentalExitCostByPropertyAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EnvironmentalExitCostsNameOfPropertyDomain" xlink:label="loc_EnvironmentalExitCostsNameOfPropertyDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EnvironmentalExitCostByPropertyAxis" xlink:to="loc_EnvironmentalExitCostsNameOfPropertyDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LandfillLiabilitiesMember" xlink:label="wm_LandfillLiabilitiesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EnvironmentalExitCostsNameOfPropertyDomain" xlink:to="wm_LandfillLiabilitiesMember" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EnvironmentalRemediationLiabilitiesMember" xlink:label="wm_EnvironmentalRemediationLiabilitiesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EnvironmentalExitCostsNameOfPropertyDomain" xlink:to="wm_EnvironmentalRemediationLiabilitiesMember" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EnvironmentalExitCostLineItems" xlink:label="loc_EnvironmentalExitCostLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SiteContingencyTable" xlink:to="loc_EnvironmentalExitCostLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract" xlink:label="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EnvironmentalExitCostLineItems" xlink:to="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationCurrent" xlink:label="loc_AssetRetirementObligationCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract" xlink:to="loc_AssetRetirementObligationCurrent" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="loc_AssetRetirementObligationsNoncurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract" xlink:to="loc_AssetRetirementObligationsNoncurrent" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligation" xlink:label="loc_AssetRetirementObligation" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract" xlink:to="loc_AssetRetirementObligation" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/EarningsPerShareDetails" xlink:title="0607 - Disclosure - Earnings Per Share (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EarningsPerShareDetailsAbstract" xlink:label="wm_EarningsPerShareDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_EarningsPerShareDetailsAbstract" xlink:to="us-gaap_EarningsPerShareAbstract" order="20" use="optional" priority="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="loc_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_PotentiallyIssuableShares" xlink:label="wm_PotentiallyIssuableShares" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="wm_PotentiallyIssuableShares" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="loc_WeightedAverageNumberDilutedSharesOutstandingAdjustment" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_WeightedAverageNumberOfSharesOutstandingBasic" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="loc_WeightedAverageNumberOfSharesOutstandingBasic" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EffectOfUsingWeightedAverageCommonSharesOutstanding" xlink:label="wm_EffectOfUsingWeightedAverageCommonSharesOutstanding" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="wm_EffectOfUsingWeightedAverageCommonSharesOutstanding" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_CommonStockSharesOutstanding_1" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="loc_CommonStockSharesOutstanding_1" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_WeightedAverageNumberOfDilutedSharesOutstanding" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="loc_WeightedAverageNumberOfDilutedSharesOutstanding" order="90" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/CondensedConsolidatingFinancialStatementsDetails" xlink:title="0615 - Disclosure - Condensed Consolidating Financial Statements (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CondensedConsolidatingFinancialStatementsDetailsAbstract" xlink:label="wm_CondensedConsolidatingFinancialStatementsDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="loc_ScheduleOfCondensedFinancialStatementsTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CondensedConsolidatingFinancialStatementsDetailsAbstract" xlink:to="loc_ScheduleOfCondensedFinancialStatementsTable" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="loc_CondensedFinancialStatementsCaptionsLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfCondensedFinancialStatementsTable" xlink:to="loc_CondensedFinancialStatementsCaptionsLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_StatementOfFinancialPositionAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_CondensedFinancialStatementsCaptionsLineItems" xlink:to="loc_StatementOfFinancialPositionAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_AssetsAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfFinancialPositionAbstract" xlink:to="loc_AssetsAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_LiabilitiesAndStockholdersEquityAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfFinancialPositionAbstract" xlink:to="loc_LiabilitiesAndStockholdersEquityAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_AssetsCurrentAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="loc_AssetsCurrentAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_LiabilitiesCurrentAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_LiabilitiesCurrentAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_LegalEntityAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfCondensedFinancialStatementsTable" xlink:to="loc_LegalEntityAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityDomain" xlink:label="loc_EntityDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LegalEntityAxis" xlink:to="loc_EntityDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_ParentCompanyMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EntityDomain" xlink:to="loc_ParentCompanyMember" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SubsidiariesMember" xlink:label="loc_SubsidiariesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EntityDomain" xlink:to="loc_SubsidiariesMember" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NonGuarantorSubsidiariesMember" xlink:label="loc_NonGuarantorSubsidiariesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SubsidiariesMember" xlink:to="loc_NonGuarantorSubsidiariesMember" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ConsolidationEliminationsMember" xlink:label="loc_ConsolidationEliminationsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EntityDomain" xlink:to="loc_ConsolidationEliminationsMember" order="60" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GuarantorSubsidiariesMember" xlink:label="loc_GuarantorSubsidiariesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SubsidiariesMember" xlink:to="loc_GuarantorSubsidiariesMember" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_LiabilitiesAndStockholdersEquity" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_LiabilitiesAndStockholdersEquity" order="110" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_MinorityInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_MinorityInterest" order="45" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_StockholdersEquity" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_StockholdersEquity" order="42.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Assets" xlink:label="loc_Assets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="loc_Assets" order="97.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates" xlink:label="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates" order="96.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_InvestmentsInAndAdvancesToAffiliates" xlink:label="wm_InvestmentsInAndAdvancesToAffiliates" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="wm_InvestmentsInAndAdvancesToAffiliates" order="95.625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_2" order="95.3125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrent_2" order="55" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CurrentAssetsExcludingCashAndCashEquivalents" xlink:label="wm_CurrentAssetsExcludingCashAndCashEquivalents" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsCurrentAbstract" xlink:to="wm_CurrentAssetsExcludingCashAndCashEquivalents" order="52.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_CashAndCashEquivalentsAtCarryingValue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AssetsCurrentAbstract" xlink:to="loc_CashAndCashEquivalentsAtCarryingValue" order="51.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_Liabilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_Liabilities" order="72.1875" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LongTermLiabilitiesExcludingLongTermDebt" xlink:label="wm_LongTermLiabilitiesExcludingLongTermDebt" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="wm_LongTermLiabilitiesExcludingLongTermDebt" order="71.40625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_LongTermDebtAndCapitalLeaseObligations" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_LongTermDebtAndCapitalLeaseObligations" order="71.015625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrent_2" order="50.625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt" xlink:label="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesCurrentAbstract" xlink:to="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt" order="49.6875" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_DebtCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LiabilitiesCurrentAbstract" xlink:to="loc_DebtCurrent" order="49.21875" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/DebtTables" xlink:title="0503 - Disclosure - Debt (Tables)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DebtTablesAbstract" xlink:label="wm_DebtTablesAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ComponentsOfDebtTextBlock" xlink:label="wm_ComponentsOfDebtTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTablesAbstract" xlink:to="wm_ComponentsOfDebtTextBlock" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/DebtDetails" xlink:title="0603 - Disclosure - Debt (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DebtDetailsAbstract" xlink:label="wm_DebtDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:label="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtDetailsAbstract" xlink:to="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RevolvingCreditFacilityAmountOutstanding" xlink:label="wm_RevolvingCreditFacilityAmountOutstanding" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="wm_RevolvingCreditFacilityAmountOutstanding" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LetterOfCreditFacilityAmountOutstanding" xlink:label="wm_LetterOfCreditFacilityAmountOutstanding" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="wm_LetterOfCreditFacilityAmountOutstanding" order="45" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="loc_LineOfCreditFacilityAmountOutstanding" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="loc_LineOfCreditFacilityAmountOutstanding" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SeniorNotes" xlink:label="us-gaap_SeniorNotes_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="us-gaap_SeniorNotes_2" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_TaxExemptBonds" xlink:label="wm_TaxExemptBonds_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="wm_TaxExemptBonds_2" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_TaxExemptProjectBonds" xlink:label="wm_TaxExemptProjectBonds_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="wm_TaxExemptProjectBonds_2" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CapitalLeasesAndOther" xlink:label="wm_CapitalLeasesAndOther" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="wm_CapitalLeasesAndOther" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ComponentsOfDebt" xlink:label="wm_ComponentsOfDebt" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="wm_ComponentsOfDebt" order="170" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_DebtCurrent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="loc_DebtCurrent" order="175" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_LongTermDebtAndCapitalLeaseObligations" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="loc_LongTermDebtAndCapitalLeaseObligations" order="200" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/SegmentAndRelatedInformationTables" xlink:title="0509 - Disclosure - Segment and Related Information (Tables)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SegmentAndRelatedInformationTablesAbstract" xlink:label="wm_SegmentAndRelatedInformationTablesAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_SegmentAndRelatedInformationTablesAbstract" xlink:to="loc_ScheduleOfSegmentReportingInformationBySegmentTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/SegmentAndRelatedInformationDetails" xlink:title="0609 - Disclosure - Segment and Related Information (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SegmentAndRelatedInformationDetailsAbstract" xlink:label="wm_SegmentAndRelatedInformationDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_ScheduleOfSegmentReportingInformationBySegmentTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_SegmentAndRelatedInformationDetailsAbstract" xlink:to="loc_ScheduleOfSegmentReportingInformationBySegmentTable" order="10" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_StatementBusinessSegmentsAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="loc_StatementBusinessSegmentsAxis" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentBusinessDomain" xlink:label="loc_SegmentBusinessDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementBusinessSegmentsAxis" xlink:to="loc_SegmentBusinessDomain" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_GroupTwoMember" xlink:label="wm_GroupTwoMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_GroupTwoMember" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CorporateAndOtherMember" xlink:label="wm_CorporateAndOtherMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_CorporateAndOtherMember" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:label="loc_SegmentReportingInformationOperatingIncomeLossAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_SegmentReportingInformationLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="loc_SegmentReportingInformationLineItems" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentReportingInformationLineItems" xlink:to="loc_SegmentReportingInformationOperatingIncomeLossAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_GroupOneMember" xlink:label="wm_GroupOneMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_GroupOneMember" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_GroupThreeMember" xlink:label="wm_GroupThreeMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_GroupThreeMember" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_GroupFourMember" xlink:label="wm_GroupFourMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_GroupFourMember" order="35" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_GroupFiveMember" xlink:label="wm_GroupFiveMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_GroupFiveMember" order="37.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_OperatingGroupMember" xlink:label="wm_OperatingGroupMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_OperatingGroupMember" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_OperationsNotManagedThroughOtherOperatingGroupsMember" xlink:label="wm_OperationsNotManagedThroughOtherOperatingGroupsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_OperationsNotManagedThroughOtherOperatingGroupsMember" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationRevenue" xlink:label="loc_SegmentReportingInformationRevenue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:to="loc_SegmentReportingInformationRevenue" order="46.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SegmentReportingInformationIntercompanyRevenue" xlink:label="wm_SegmentReportingInformationIntercompanyRevenue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:to="wm_SegmentReportingInformationIntercompanyRevenue" order="49.375" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SegmentIncomeFromOperations" xlink:label="wm_SegmentIncomeFromOperations" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:to="wm_SegmentIncomeFromOperations" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationRevenueFromExternalCustomers" xlink:label="loc_SegmentReportingInformationRevenueFromExternalCustomers" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:to="loc_SegmentReportingInformationRevenueFromExternalCustomers" order="88.75" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/DocumentAndEntityInformation" xlink:title="00 - Document - Document and Entity Information">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DocumentAndEntityInformationAbstract" xlink:label="wm_DocumentAndEntityInformationAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_EntityRegistrantName" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_EntityRegistrantName" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_EntityCentralIndexKey" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_EntityCentralIndexKey" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentType" xlink:label="loc_DocumentType" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_DocumentType" order="60" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_DocumentPeriodEndDate" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_DocumentPeriodEndDate" order="80" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_AmendmentFlag" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_AmendmentFlag" order="100" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_DocumentFiscalYearFocus" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_DocumentFiscalYearFocus" order="120" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_DocumentFiscalPeriodFocus" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_DocumentFiscalPeriodFocus" order="140" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_CurrentFiscalYearEndDate" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_CurrentFiscalYearEndDate" order="160" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_EntityWellKnownSeasonedIssuer" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_EntityWellKnownSeasonedIssuer" order="180" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_EntityVoluntaryFilers" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_EntityVoluntaryFilers" order="200" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_EntityCurrentReportingStatus" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_EntityCurrentReportingStatus" order="220" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_EntityFilerCategory" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_EntityFilerCategory" order="240" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_EntityPublicFloat" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_EntityPublicFloat" order="260" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_EntityCommonStockSharesOutstanding" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="loc_EntityCommonStockSharesOutstanding" order="280" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/IncomeTaxes" xlink:title="0205 - Disclosure - Income Taxes">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitAbstract" xlink:label="loc_IncomeTaxExpenseBenefitAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_IncomeTaxDisclosureTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeTaxExpenseBenefitAbstract" xlink:to="loc_IncomeTaxDisclosureTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/LandfillAndEnvironmentalRemediationLiabilitiesDetails1" xlink:title="06021 - Disclosure - Landfill and Environmental Remediation Liabilities (Details 1)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEnvironmentalExitCostTable" xlink:label="loc_ScheduleOfEnvironmentalExitCostTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" xlink:to="loc_ScheduleOfEnvironmentalExitCostTable" order="5" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EnvironmentalExitCostByPropertyAxis" xlink:label="loc_EnvironmentalExitCostByPropertyAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfEnvironmentalExitCostTable" xlink:to="loc_EnvironmentalExitCostByPropertyAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EnvironmentalExitCostsNameOfPropertyDomain" xlink:label="loc_EnvironmentalExitCostsNameOfPropertyDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EnvironmentalExitCostByPropertyAxis" xlink:to="loc_EnvironmentalExitCostsNameOfPropertyDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LandfillLiabilitiesMember" xlink:label="wm_LandfillLiabilitiesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EnvironmentalExitCostsNameOfPropertyDomain" xlink:to="wm_LandfillLiabilitiesMember" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EnvironmentalRemediationLiabilitiesMember" xlink:label="wm_EnvironmentalRemediationLiabilitiesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EnvironmentalExitCostsNameOfPropertyDomain" xlink:to="wm_EnvironmentalRemediationLiabilitiesMember" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EnvironmentalExitCostLineItems" xlink:label="loc_EnvironmentalExitCostLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfEnvironmentalExitCostTable" xlink:to="loc_EnvironmentalExitCostLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:label="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EnvironmentalExitCostLineItems" xlink:to="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligation" xlink:label="loc_AssetRetirementObligation" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="loc_AssetRetirementObligation" order="0.00244140625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="us-gaap_AccrualForEnvironmentalLossContingencies_2" order="0.0048828125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:label="loc_AssetRetirementObligationLiabilitiesIncurred" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="loc_AssetRetirementObligationLiabilitiesIncurred" order="0.009765625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AssetRetirementObligationLiabilitiesSettledLandfill" xlink:label="wm_AssetRetirementObligationLiabilitiesSettledLandfill" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="wm_AssetRetirementObligationLiabilitiesSettledLandfill" order="0.0390625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesPayments" xlink:label="loc_AccrualForEnvironmentalLossContingenciesPayments" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="loc_AccrualForEnvironmentalLossContingenciesPayments" order="0.078125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense" xlink:label="loc_AssetRetirementObligationAccretionExpense" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="loc_AssetRetirementObligationAccretionExpense" order="0.15625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AccrualForEnvironmentalLossContingenciesInterestAccretion" xlink:label="wm_AccrualForEnvironmentalLossContingenciesInterestAccretion" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="wm_AccrualForEnvironmentalLossContingenciesInterestAccretion" order="0.3125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationRevisionOfEstimate" xlink:label="loc_AssetRetirementObligationRevisionOfEstimate" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="loc_AssetRetirementObligationRevisionOfEstimate" order="0.625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" xlink:label="loc_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="loc_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" order="1.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems" xlink:label="wm_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="wm_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems" order="2.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments" xlink:label="wm_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="wm_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligation" xlink:label="us-gaap_AssetRetirementObligation_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="us-gaap_AssetRetirementObligation_2" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="loc_AccrualForEnvironmentalLossContingencies" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="loc_AccrualForEnvironmentalLossContingencies" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/FairValueMeasurementsDetailsTextuals" xlink:title="06131 - Disclosure - Fair Value Measurements (Details Textual)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueMeasurementsDetailsAbstract" xlink:label="wm_FairValueMeasurementsDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueMeasurementsTextualAbstract" xlink:label="wm_FairValueMeasurementsTextualAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_FairValueMeasurementsDetailsAbstract" xlink:to="wm_FairValueMeasurementsTextualAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="loc_DebtAndCapitalLeaseObligations" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_FairValueMeasurementsTextualAbstract" xlink:to="loc_DebtAndCapitalLeaseObligations" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DebtFairValue" xlink:label="wm_DebtFairValue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_FairValueMeasurementsTextualAbstract" xlink:to="wm_DebtFairValue" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NetBorrowingsOfSeniorNotes" xlink:label="wm_NetBorrowingsOfSeniorNotes" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_FairValueMeasurementsTextualAbstract" xlink:to="wm_NetBorrowingsOfSeniorNotes" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/SegmentAndRelatedInformationDetailsTextuals" xlink:title="06091 - Disclosure - Segment and Related Information (Details Textual)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SegmentAndRelatedInformationDetailsAbstract" xlink:label="wm_SegmentAndRelatedInformationDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SegmentAndRelatedInformationTextualAbstract" xlink:label="wm_SegmentAndRelatedInformationTextualAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_SegmentAndRelatedInformationDetailsAbstract" xlink:to="wm_SegmentAndRelatedInformationTextualAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates" xlink:label="wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_SegmentAndRelatedInformationTextualAbstract" xlink:to="wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/CondensedConsolidatingFinancialStatementsDetails1" xlink:title="06151 - Disclosure - Condensed Consolidating Financial Statements (Details 1)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CondensedConsolidatingFinancialStatementsDetailsAbstract" xlink:label="wm_CondensedConsolidatingFinancialStatementsDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="loc_ScheduleOfCondensedFinancialStatementsTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CondensedConsolidatingFinancialStatementsDetailsAbstract" xlink:to="loc_ScheduleOfCondensedFinancialStatementsTable" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="loc_CondensedFinancialStatementsCaptionsLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfCondensedFinancialStatementsTable" xlink:to="loc_CondensedFinancialStatementsCaptionsLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_IncomeStatementAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_CondensedFinancialStatementsCaptionsLineItems" xlink:to="loc_IncomeStatementAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Revenues" xlink:label="loc_Revenues" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_Revenues" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_CostsAndExpenses" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_CostsAndExpenses" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_OperatingIncomeLoss" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_OperatingIncomeLoss" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_InterestAndOtherIncomeExpenseAbstract" xlink:label="wm_InterestAndOtherIncomeExpenseAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="wm_InterestAndOtherIncomeExpenseAbstract" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_InterestIncomeExpense" xlink:label="wm_InterestIncomeExpense" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_InterestAndOtherIncomeExpenseAbstract" xlink:to="wm_InterestIncomeExpense" order="20" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EquityInSubsidiariesNetOfTaxes" xlink:label="wm_EquityInSubsidiariesNetOfTaxes" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_InterestAndOtherIncomeExpenseAbstract" xlink:to="wm_EquityInSubsidiariesNetOfTaxes" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsCumulativeEffectsOfChangesInAccountingPrinciplesAndNoncontrollingInterest" xlink:label="wm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsCumulativeEffectsOfChangesInAccountingPrinciplesAndNoncontrollingInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="wm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsCumulativeEffectsOfChangesInAccountingPrinciplesAndNoncontrollingInterest" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_IncomeTaxExpenseBenefit" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_IncomeTaxExpenseBenefit" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_ProfitLoss" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_ProfitLoss" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_NetIncomeLossAttributableToNoncontrollingInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_NetIncomeLossAttributableToNoncontrollingInterest" order="160" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_NetIncomeLoss" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAbstract" xlink:to="loc_NetIncomeLoss" order="180" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_LegalEntityAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfCondensedFinancialStatementsTable" xlink:to="loc_LegalEntityAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityDomain" xlink:label="loc_EntityDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LegalEntityAxis" xlink:to="loc_EntityDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_ParentCompanyMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EntityDomain" xlink:to="loc_ParentCompanyMember" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SubsidiariesMember" xlink:label="loc_SubsidiariesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EntityDomain" xlink:to="loc_SubsidiariesMember" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GuarantorSubsidiariesMember" xlink:label="loc_GuarantorSubsidiariesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SubsidiariesMember" xlink:to="loc_GuarantorSubsidiariesMember" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NonGuarantorSubsidiariesMember" xlink:label="loc_NonGuarantorSubsidiariesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SubsidiariesMember" xlink:to="loc_NonGuarantorSubsidiariesMember" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ConsolidationEliminationsMember" xlink:label="loc_ConsolidationEliminationsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EntityDomain" xlink:to="loc_ConsolidationEliminationsMember" order="60" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EquityInNetLossesOfUnconsolidatedEntitiesAndOtherNet" xlink:label="wm_EquityInNetLossesOfUnconsolidatedEntitiesAndOtherNet" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_InterestAndOtherIncomeExpenseAbstract" xlink:to="wm_EquityInNetLossesOfUnconsolidatedEntitiesAndOtherNet" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_InterestAndOtherIncomeExpense" xlink:label="wm_InterestAndOtherIncomeExpense" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_InterestAndOtherIncomeExpenseAbstract" xlink:to="wm_InterestAndOtherIncomeExpense" order="70.625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/CondensedConsolidatingFinancialStatementsDetails2" xlink:title="06152 - Disclosure - Condensed Consolidating Financial Statements (Details 2)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CondensedConsolidatingFinancialStatementsDetailsAbstract" xlink:label="wm_CondensedConsolidatingFinancialStatementsDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="loc_ScheduleOfCondensedFinancialStatementsTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CondensedConsolidatingFinancialStatementsDetailsAbstract" xlink:to="loc_ScheduleOfCondensedFinancialStatementsTable" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="loc_CondensedFinancialStatementsCaptionsLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfCondensedFinancialStatementsTable" xlink:to="loc_CondensedFinancialStatementsCaptionsLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_StatementOfCashFlowsAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_CondensedFinancialStatementsCaptionsLineItems" xlink:to="loc_StatementOfCashFlowsAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_NetCashProvidedByUsedInOperatingActivitiesAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_EffectOfExchangeRateOnCashAndCashEquivalents" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_EffectOfExchangeRateOnCashAndCashEquivalents" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_CashAndCashEquivalentsAtCarryingValue_1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_LegalEntityAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfCondensedFinancialStatementsTable" xlink:to="loc_LegalEntityAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityDomain" xlink:label="loc_EntityDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LegalEntityAxis" xlink:to="loc_EntityDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_ParentCompanyMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EntityDomain" xlink:to="loc_ParentCompanyMember" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SubsidiariesMember" xlink:label="loc_SubsidiariesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EntityDomain" xlink:to="loc_SubsidiariesMember" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GuarantorSubsidiariesMember" xlink:label="loc_GuarantorSubsidiariesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SubsidiariesMember" xlink:to="loc_GuarantorSubsidiariesMember" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NonGuarantorSubsidiariesMember" xlink:label="loc_NonGuarantorSubsidiariesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SubsidiariesMember" xlink:to="loc_NonGuarantorSubsidiariesMember" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ConsolidationEliminationsMember" xlink:label="loc_ConsolidationEliminationsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EntityDomain" xlink:to="loc_ConsolidationEliminationsMember" order="60" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_CashAndCashEquivalentsAtCarryingValue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_CashAndCashEquivalentsAtCarryingValue" order="90" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="loc_CashAndCashEquivalentsPeriodIncreaseDecrease" order="85" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementOfCashFlowsAbstract" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_2" order="87.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_NetCashProvidedByUsedInOperatingActivities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_NetCashProvidedByUsedInOperatingActivities" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:label="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" order="65" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EquityInEarningsOfSubsidiariesNetOfTaxes" xlink:label="wm_EquityInEarningsOfSubsidiariesNetOfTaxes" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="wm_EquityInEarningsOfSubsidiariesNetOfTaxes" order="62.5" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_ProfitLoss_2" order="61.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_NetCashProvidedByUsedInInvestingActivities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="loc_NetCashProvidedByUsedInInvestingActivities" order="85" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet" xlink:label="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet" order="77.5" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" xlink:label="wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" order="73.75" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_PaymentsToAcquireProductiveAssets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="loc_PaymentsToAcquireProductiveAssets" order="71.875" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_2" order="70.9375" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_NetCashProvidedByUsedInFinancingActivities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="loc_NetCashProvidedByUsedInFinancingActivities" order="150" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ChangeInIntercompanyAndInvestmentsNet" xlink:label="wm_ChangeInIntercompanyAndInvestmentsNet" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="wm_ChangeInIntercompanyAndInvestmentsNet" order="145" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DistributionsPaidToNoncontrollingInterestsAndOther" xlink:label="wm_DistributionsPaidToNoncontrollingInterestsAndOther" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="wm_DistributionsPaidToNoncontrollingInterestsAndOther" order="142.5" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_ProceedsFromStockOptionsExercised" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="loc_ProceedsFromStockOptionsExercised" order="141.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_PaymentsOfDividendsCommonStock_2" order="140.625" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_PaymentsForRepurchaseOfCommonStock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="loc_PaymentsForRepurchaseOfCommonStock" order="140.3125" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities" xlink:label="us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_2" order="140.15625" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xlink:label="loc_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="loc_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" order="140.078125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/DerivativeInstrumentsAndHedgingActivities" xlink:title="0204 - Disclosure - Derivative Instruments and Hedging Activities">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink:label="loc_DerivativeInstrumentsAndHedgesAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="loc_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeInstrumentsAndHedgesAbstract" xlink:to="loc_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesTables" xlink:title="0504 - Disclosure - Derivative Instruments and Hedging Activities (Tables)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:label="loc_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract" xlink:to="loc_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:label="loc_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract" xlink:to="loc_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxTextBlock" xlink:label="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract" xlink:to="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxTextBlock" order="160" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueInterestRateHedgesImpactToInterestExpenseTextBlock" xlink:label="wm_FairValueInterestRateHedgesImpactToInterestExpenseTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract" xlink:to="wm_FairValueInterestRateHedgesImpactToInterestExpenseTextBlock" order="142.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesDetails" xlink:title="0604 - Disclosure - Derivative Instruments and Hedging Activities (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_DerivativeContractTypeDomain" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_InterestRateContractMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeContractTypeDomain" xlink:to="loc_InterestRateContractMember" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_ForeignExchangeContractMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeContractTypeDomain" xlink:to="loc_ForeignExchangeContractMember" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:to="loc_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativesFairValueByDerivativeInstrumentRiskAxis" xlink:label="loc_DerivativesFairValueByDerivativeInstrumentRiskAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:to="loc_DerivativesFairValueByDerivativeInstrumentRiskAxis" order="20" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativesFairValueByDerivativeInstrumentRiskAxis" xlink:to="loc_DerivativeContractTypeDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativesFairValueByBalanceSheetLocationAxis" xlink:label="loc_DerivativesFairValueByBalanceSheetLocationAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:to="loc_DerivativesFairValueByBalanceSheetLocationAxis" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_BalanceSheetLocationDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativesFairValueByBalanceSheetLocationAxis" xlink:to="loc_BalanceSheetLocationDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_OtherAssetsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BalanceSheetLocationDomain" xlink:to="loc_OtherAssetsMember" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedLiabilitiesMember" xlink:label="loc_AccruedLiabilitiesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BalanceSheetLocationDomain" xlink:to="loc_AccruedLiabilitiesMember" order="60" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LongTermAccruedLiabilitiesMember" xlink:label="wm_LongTermAccruedLiabilitiesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BalanceSheetLocationDomain" xlink:to="wm_LongTermAccruedLiabilitiesMember" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_DerivativesFairValueLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:to="loc_DerivativesFairValueLineItems" order="60" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNetByBalanceSheetClassificationAbstract" xlink:label="loc_DerivativeAssetsLiabilitiesAtFairValueNetByBalanceSheetClassificationAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativesFairValueLineItems" xlink:to="loc_DerivativeAssetsLiabilitiesAtFairValueNetByBalanceSheetClassificationAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeAssetDesignatedAsHedgingInstrumentFairValue" xlink:label="loc_DerivativeAssetDesignatedAsHedgingInstrumentFairValue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeAssetsLiabilitiesAtFairValueNetByBalanceSheetClassificationAbstract" xlink:to="loc_DerivativeAssetDesignatedAsHedgingInstrumentFairValue" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue" xlink:label="loc_DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeAssetsLiabilitiesAtFairValueNetByBalanceSheetClassificationAbstract" xlink:to="loc_DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_OtherCurrentAssetsMember" xlink:label="wm_OtherCurrentAssetsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BalanceSheetLocationDomain" xlink:to="wm_OtherCurrentAssetsMember" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ElectricityCommodityContractsMember" xlink:label="wm_ElectricityCommodityContractsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeContractTypeDomain" xlink:to="wm_ElectricityCommodityContractsMember" order="25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesDetails1" xlink:title="06041 - Disclosure - Derivative Instruments and Hedging Activities (Details 1)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_DerivativeTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:to="loc_DerivativeTable" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="loc_DerivativeByNatureAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeTable" xlink:to="loc_DerivativeByNatureAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_DerivativeNameDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeByNatureAxis" xlink:to="loc_DerivativeNameDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_DerivativeLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeTable" xlink:to="loc_DerivativeLineItems" order="60" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:label="loc_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeTable" xlink:to="loc_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" order="30" use="optional" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:label="loc_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:to="loc_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="loc_InterestExpenseMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:to="loc_InterestExpenseMember" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNetAbstract" xlink:label="loc_DerivativeInstrumentsGainLossRecognizedInIncomeNetAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeLineItems" xlink:to="loc_DerivativeInstrumentsGainLossRecognizedInIncomeNetAbstract" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet" xlink:label="loc_DerivativeInstrumentsGainLossRecognizedInIncomeNet" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeInstrumentsGainLossRecognizedInIncomeNetAbstract" xlink:to="loc_DerivativeInstrumentsGainLossRecognizedInIncomeNet" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_GainLossOnSwapMember" xlink:label="wm_GainLossOnSwapMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeNameDomain" xlink:to="wm_GainLossOnSwapMember" order="10" use="optional" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_GainLossOnFixedRateDebtMember" xlink:label="wm_GainLossOnFixedRateDebtMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeNameDomain" xlink:to="wm_GainLossOnFixedRateDebtMember" order="15" use="optional" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesDetails2" xlink:title="06042 - Disclosure - Derivative Instruments and Hedging Activities (Details 2)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract" xlink:label="wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:to="wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps" xlink:label="wm_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract" xlink:to="wm_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps" order="45" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements" xlink:label="wm_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract" xlink:to="wm_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements_2" order="42.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueInterestRateHedgesImpactToInterestExpense" xlink:label="wm_FairValueInterestRateHedgesImpactToInterestExpense" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract" xlink:to="wm_FairValueInterestRateHedgesImpactToInterestExpense" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesDetails3" xlink:title="06043 - Disclosure - Derivative Instruments and Hedging Activities (Details 3)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:to="loc_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" xlink:label="loc_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="loc_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_DerivativeContractTypeDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" xlink:to="loc_DerivativeContractTypeDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_ForeignExchangeContractMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeContractTypeDomain" xlink:to="loc_ForeignExchangeContractMember" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:label="loc_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="loc_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:label="loc_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:to="loc_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" order="20" use="optional" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_OtherIncomeExpenseMember" xlink:label="wm_OtherIncomeExpenseMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:to="wm_OtherIncomeExpenseMember" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="loc_InterestExpenseMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:to="loc_InterestExpenseMember" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_DerivativeInstrumentsGainLossLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="loc_DerivativeInstrumentsGainLossLineItems" order="60" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxAbstract" xlink:label="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DerivativeInstrumentsGainLossLineItems" xlink:to="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="loc_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxAbstract" xlink:to="loc_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="loc_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxAbstract" xlink:to="loc_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/DerivativeInstrumentsAndHedgingActivitiesDetailsTextuals" xlink:title="06044 - Disclosure - Derivative Instruments and Hedging Activities (Details Textual)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:to="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales" xlink:label="wm_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ExpectedPercentageOfMerchantElectricitySalesHedged" xlink:label="wm_ExpectedPercentageOfMerchantElectricitySalesHedged" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_ExpectedPercentageOfMerchantElectricitySalesHedged" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ExpectedNumberOfMegawattHoursHedgedByElectricitySwaps" xlink:label="wm_ExpectedNumberOfMegawattHoursHedgedByElectricitySwaps" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_ExpectedNumberOfMegawattHoursHedgedByElectricitySwaps" order="2.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ForeignExchangeDerivativesGainLossReclassificationFromAociIntoIncomeEffectivePortionAfterTax" xlink:label="wm_ForeignExchangeDerivativesGainLossReclassificationFromAociIntoIncomeEffectivePortionAfterTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_ForeignExchangeDerivativesGainLossReclassificationFromAociIntoIncomeEffectivePortionAfterTax" order="1.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax" order="0.625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_InterestPaymentsOnForeignExchangeContracts" xlink:label="wm_InterestPaymentsOnForeignExchangeContracts" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_InterestPaymentsOnForeignExchangeContracts" order="0.3125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal" xlink:label="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal" order="0.15625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax" order="0.078125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax" order="0.0390625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueOfInterestRateDerivativesClassifiedAsLongTermLiabilities" xlink:label="wm_FairValueOfInterestRateDerivativesClassifiedAsLongTermLiabilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_FairValueOfInterestRateDerivativesClassifiedAsLongTermLiabilities" order="0.01953125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_TenorOfSeniorNotesIssuedInFebruaryTwoThousandEleven" xlink:label="wm_TenorOfSeniorNotesIssuedInFebruaryTwoThousandEleven" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_TenorOfSeniorNotesIssuedInFebruaryTwoThousandEleven" order="0.009765625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CashPaidToSettleCashFlowHedgeInstrumentsForwardStartingInterestRateSwaps" xlink:label="wm_CashPaidToSettleCashFlowHedgeInstrumentsForwardStartingInterestRateSwaps" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_CashPaidToSettleCashFlowHedgeInstrumentsForwardStartingInterestRateSwaps" order="0.0048828125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NotionalAmountOfForwardStartingInterestRateSwaps" xlink:label="wm_NotionalAmountOfForwardStartingInterestRateSwaps" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_NotionalAmountOfForwardStartingInterestRateSwaps" order="0.00244140625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ReferencedLiborSwapRate" xlink:label="wm_ReferencedLiborSwapRate" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_ReferencedLiborSwapRate" order="0.001220703125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwaps" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwaps" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwaps" order="0.0006103515625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense" xlink:label="wm_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense" order="0.00030517578125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpenseAfterTax" xlink:label="wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpenseAfterTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpenseAfterTax" order="0.000152587890625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpensePreTax" xlink:label="wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpensePreTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpensePreTax" order="7.62939453125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge" xlink:label="loc_MaximumLengthOfTimeHedgedInCashFlowHedge" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="loc_MaximumLengthOfTimeHedgedInCashFlowHedge" order="3.814697265625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks" xlink:label="wm_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks" order="1.9073486328125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NotionalAmountOfMaturedInterestRateSwap" xlink:label="wm_NotionalAmountOfMaturedInterestRateSwap" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_NotionalAmountOfMaturedInterestRateSwap" order="9.5367431640625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NotionalAmountOfExecutedInterestRateSwaps" xlink:label="wm_NotionalAmountOfExecutedInterestRateSwaps" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_NotionalAmountOfExecutedInterestRateSwaps" order="4.76837158203125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueHedgesAdjustmentsToCarryingValueOfHedgedItem" xlink:label="wm_FairValueHedgesAdjustmentsToCarryingValueOfHedgedItem" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_FairValueHedgesAdjustmentsToCarryingValueOfHedgedItem" order="2.38418579101563" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding" xlink:label="wm_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding" order="1.19209289550781" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NotionalAmountOfFairValueHedgeInstruments" xlink:label="loc_NotionalAmountOfFairValueHedgeInstruments" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="loc_NotionalAmountOfFairValueHedgeInstruments" order="5.96046447753906" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SeniorNotesPrincipalOutstanding" xlink:label="wm_SeniorNotesPrincipalOutstanding" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_SeniorNotesPrincipalOutstanding" order="2.98023223876953" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/BasisOfPresentation" xlink:title="0201 - Disclosure - Basis of Presentation">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_BasisOfPresentationAbstract" xlink:label="wm_BasisOfPresentationAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_BasisOfPresentationTextBlock" xlink:label="wm_BasisOfPresentationTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_BasisOfPresentationAbstract" xlink:to="wm_BasisOfPresentationTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/ComprehensiveIncome" xlink:title="0206 - Disclosure - Comprehensive Income">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNoteAbstract" xlink:label="loc_ComprehensiveIncomeNoteAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:label="loc_ComprehensiveIncomeNoteTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNoteAbstract" xlink:to="loc_ComprehensiveIncomeNoteTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/BasisOfPresentationPolicies" xlink:title="0401 - Disclosure - Basis of Presentation (Policies)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_BasisOfPresentationPoliciesAbstract" xlink:label="wm_BasisOfPresentationPoliciesAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_RevenueRecognitionPolicyTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_BasisOfPresentationPoliciesAbstract" xlink:to="loc_RevenueRecognitionPolicyTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ReclassificationsPolicyTextBlock" xlink:label="wm_ReclassificationsPolicyTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_BasisOfPresentationPoliciesAbstract" xlink:to="wm_ReclassificationsPolicyTextBlock" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueMeasurementPolicyTextBlock" xlink:label="wm_FairValueMeasurementPolicyTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_BasisOfPresentationPoliciesAbstract" xlink:to="wm_FairValueMeasurementPolicyTextBlock" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:label="loc_CompensationRelatedCostsPolicyTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_BasisOfPresentationPoliciesAbstract" xlink:to="loc_CompensationRelatedCostsPolicyTextBlock" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="loc_GoodwillAndIntangibleAssetsPolicyTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_BasisOfPresentationPoliciesAbstract" xlink:to="loc_GoodwillAndIntangibleAssetsPolicyTextBlock" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/ComprehensiveIncomeDetails" xlink:title="0606 - Disclosure - Comprehensive Income (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ComprehensiveIncomeDetailsAbstract" xlink:label="wm_ComprehensiveIncomeDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ComprehensiveIncomeDetailsAbstract" xlink:to="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" order="12.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ComprehensiveIncomeDetailsAbstract" xlink:to="loc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" order="11.875" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" order="15" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="loc_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" order="12.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="loc_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xlink:label="loc_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="loc_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" order="8.75" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="loc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="loc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" order="8.125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_ProfitLoss" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_ProfitLoss" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="loc_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" order="13.125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTax" order="90" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="loc_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="loc_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" order="85" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="loc_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="loc_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" order="82.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="loc_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" order="81.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:label="loc_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="loc_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" order="80.625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_ComprehensiveIncomeNetOfTax" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_ComprehensiveIncomeNetOfTax" order="95" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" order="92.5" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="loc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" order="91.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/ComprehensiveIncomeTables" xlink:title="0506 - Disclosure - Comprehensive Income (Tables)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ComprehensiveIncomeTablesAbstract" xlink:label="wm_ComprehensiveIncomeTablesAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ComprehensiveIncomeTextBlock" xlink:label="wm_ComprehensiveIncomeTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ComprehensiveIncomeTablesAbstract" xlink:to="wm_ComprehensiveIncomeTextBlock" order="57.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ComponentsOfAccumulatedOtherComprehensiveIncomeIncludedInStockholdersEquityOfCompanyTextBlock" xlink:label="wm_ComponentsOfAccumulatedOtherComprehensiveIncomeIncludedInStockholdersEquityOfCompanyTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_ComprehensiveIncomeTablesAbstract" xlink:to="wm_ComponentsOfAccumulatedOtherComprehensiveIncomeIncludedInStockholdersEquityOfCompanyTextBlock" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/DebtDetailsTextual" xlink:title="06031 - Disclosure - Debt (Details Textual)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DebtDetailsAbstract" xlink:label="wm_DebtDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_DebtInstrumentTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtDetailsAbstract" xlink:to="loc_DebtInstrumentTable" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_DebtInstrumentAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentTable" xlink:to="loc_DebtInstrumentAxis" order="10" use="optional" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_DebtInstrumentNameDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentAxis" xlink:to="loc_DebtInstrumentNameDomain" order="20" use="optional" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CapitalLeasesAndOtherMember" xlink:label="wm_CapitalLeasesAndOtherMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentNameDomain" xlink:to="wm_CapitalLeasesAndOtherMember" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SeniorNotesAndDebenturesMember" xlink:label="wm_SeniorNotesAndDebenturesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentNameDomain" xlink:to="wm_SeniorNotesAndDebenturesMember" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_TaxExemptProjectBondsMember" xlink:label="wm_TaxExemptProjectBondsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentNameDomain" xlink:to="wm_TaxExemptProjectBondsMember" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_TaxExemptBondsMember" xlink:label="wm_TaxExemptBondsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentNameDomain" xlink:to="wm_TaxExemptBondsMember" order="160" use="optional" priority="1" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CanadianCreditFacilityMember" xlink:label="wm_CanadianCreditFacilityMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentNameDomain" xlink:to="wm_CanadianCreditFacilityMember" order="180" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_DebtInstrumentLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentTable" xlink:to="loc_DebtInstrumentLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SeniorNotesDueMarch2021Member" xlink:label="wm_SeniorNotesDueMarch2021Member" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentNameDomain" xlink:to="wm_SeniorNotesDueMarch2021Member" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SevenPointSixFivePercentSeniorNotesMember" xlink:label="wm_SevenPointSixFivePercentSeniorNotesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentNameDomain" xlink:to="wm_SevenPointSixFivePercentSeniorNotesMember" order="90" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="loc_LetterOfCreditMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentNameDomain" xlink:to="loc_LetterOfCreditMember" order="200" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RevolvingCreditFacilityMember" xlink:label="wm_RevolvingCreditFacilityMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentNameDomain" xlink:to="wm_RevolvingCreditFacilityMember" order="190" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DebtTextualAbstract" xlink:label="wm_DebtTextualAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentLineItems" xlink:to="wm_DebtTextualAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_WeightedAverageInterestRate" xlink:label="wm_WeightedAverageInterestRate_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="wm_WeightedAverageInterestRate_2" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_5" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_5" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_3" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_3" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_DebtInstrumentFaceAmount" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="loc_DebtInstrumentFaceAmount" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MaturitiesOfSeniorDebt" xlink:label="loc_MaturitiesOfSeniorDebt" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="loc_MaturitiesOfSeniorDebt" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_DebtInstrumentInterestRateStatedPercentage" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="loc_DebtInstrumentInterestRateStatedPercentage" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DebtMaturingWithinTwelveMonths" xlink:label="wm_DebtMaturingWithinTwelveMonths" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="wm_DebtMaturingWithinTwelveMonths" order="160" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentMaturityDateRangeStart" xlink:label="loc_DebtInstrumentMaturityDateRangeStart" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="loc_DebtInstrumentMaturityDateRangeStart" order="180" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentMaturityDateRangeEnd" xlink:label="loc_DebtInstrumentMaturityDateRangeEnd" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="loc_DebtInstrumentMaturityDateRangeEnd" order="200" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_WeightedAverageEffectiveInterestRate" xlink:label="wm_WeightedAverageEffectiveInterestRate" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="wm_WeightedAverageEffectiveInterestRate" order="220" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DebtAdditionalTextualAbstract" xlink:label="wm_DebtAdditionalTextualAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtDetailsAbstract" xlink:to="wm_DebtAdditionalTextualAbstract" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DebtMaturingWithinMonthsClassifiedAsLongTerm" xlink:label="wm_DebtMaturingWithinMonthsClassifiedAsLongTerm" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtAdditionalTextualAbstract" xlink:to="wm_DebtMaturingWithinMonthsClassifiedAsLongTerm" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:label="loc_ProceedsFromIssuanceOfSeniorLongTermDebt" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtAdditionalTextualAbstract" xlink:to="loc_ProceedsFromIssuanceOfSeniorLongTermDebt" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IssuanceOfTaxExemptBonds" xlink:label="wm_IssuanceOfTaxExemptBonds" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtAdditionalTextualAbstract" xlink:to="wm_IssuanceOfTaxExemptBonds" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_RepaymentsOfLinesOfCredit" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="loc_RepaymentsOfLinesOfCredit" order="130" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_ProceedsFromLinesOfCredit" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="loc_ProceedsFromLinesOfCredit" order="135" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xlink:label="loc_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="loc_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" order="240" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RevolvingCreditFacilityCapacity" xlink:label="wm_RevolvingCreditFacilityCapacity" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtTextualAbstract" xlink:to="wm_RevolvingCreditFacilityCapacity" order="272.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RevolvingCreditAndCreditFacilitiesAggregateCapacity" xlink:label="wm_RevolvingCreditAndCreditFacilitiesAggregateCapacity" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtAdditionalTextualAbstract" xlink:to="wm_RevolvingCreditAndCreditFacilitiesAggregateCapacity" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LetterOfCreditOutstandingRevolvingCreditFacility" xlink:label="wm_LetterOfCreditOutstandingRevolvingCreditFacility" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtAdditionalTextualAbstract" xlink:to="wm_LetterOfCreditOutstandingRevolvingCreditFacility" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LetterOfCreditOutstandingRevolvingCreditAndLetterOfCreditFacilities" xlink:label="wm_LetterOfCreditOutstandingRevolvingCreditAndLetterOfCreditFacilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtAdditionalTextualAbstract" xlink:to="wm_LetterOfCreditOutstandingRevolvingCreditAndLetterOfCreditFacilities" order="85" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_TwoPointSixZeroPercentSeniorNotesDueSeptemberTwoZeroOneSixMember" xlink:label="wm_TwoPointSixZeroPercentSeniorNotesDueSeptemberTwoZeroOneSixMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_DebtInstrumentNameDomain" xlink:to="wm_TwoPointSixZeroPercentSeniorNotesDueSeptemberTwoZeroOneSixMember" order="97.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RepaymentOfTaxExemptProjectBonds" xlink:label="wm_RepaymentOfTaxExemptProjectBonds" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtAdditionalTextualAbstract" xlink:to="wm_RepaymentOfTaxExemptProjectBonds" order="67.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RepaymentOfTaxExemptBonds" xlink:label="wm_RepaymentOfTaxExemptBonds" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_DebtAdditionalTextualAbstract" xlink:to="wm_RepaymentOfTaxExemptBonds" order="58.75" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/VariableInterestEntities" xlink:title="0214 - Disclosure - Variable Interest Entities">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_VariableInterestEntitiesAbstract" xlink:label="wm_VariableInterestEntitiesAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:label="loc_ScheduleOfVariableInterestEntitiesTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesAbstract" xlink:to="loc_ScheduleOfVariableInterestEntitiesTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/VariableInterestEntitiesDetails" xlink:title="0614 - Disclosure - Variable Interest Entities (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_VariableInterestEntitiesDetailsAbstract" xlink:label="wm_VariableInterestEntitiesDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:label="loc_ScheduleOfVariableInterestEntitiesTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesDetailsAbstract" xlink:to="loc_ScheduleOfVariableInterestEntitiesTable" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_RelatedPartyTransactionsByRelatedPartyAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfVariableInterestEntitiesTable" xlink:to="loc_RelatedPartyTransactionsByRelatedPartyAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_RelatedPartyDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_RelatedPartyDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LimitedLiabilityCompanyTwoMember" xlink:label="wm_LimitedLiabilityCompanyTwoMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_RelatedPartyDomain" xlink:to="wm_LimitedLiabilityCompanyTwoMember" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfVariableInterestEntitiesTable" xlink:to="loc_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_EquityMethodInvesteeNameDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="loc_EquityMethodInvesteeNameDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LowIncomeHousingPropertiesMember" xlink:label="wm_LowIncomeHousingPropertiesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EquityMethodInvesteeNameDomain" xlink:to="wm_LowIncomeHousingPropertiesMember" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="loc_VariableInterestEntityLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfVariableInterestEntitiesTable" xlink:to="loc_VariableInterestEntityLineItems" order="60" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_VariableInterestEntitiesAdditionalDetailsAbstract" xlink:label="wm_VariableInterestEntitiesAdditionalDetailsAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesDetailsAbstract" xlink:to="wm_VariableInterestEntitiesAdditionalDetailsAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntityTermsOfArrangements" xlink:label="loc_VariableInterestEntityTermsOfArrangements" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesAdditionalDetailsAbstract" xlink:to="loc_VariableInterestEntityTermsOfArrangements" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LimitedLiabilityCompanyMember" xlink:label="loc_LimitedLiabilityCompanyMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EquityMethodInvesteeNameDomain" xlink:to="loc_LimitedLiabilityCompanyMember" order="15" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_InvestmentInRefinedCoalFacilityMember" xlink:label="wm_InvestmentInRefinedCoalFacilityMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EquityMethodInvesteeNameDomain" xlink:to="wm_InvestmentInRefinedCoalFacilityMember" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" xlink:label="wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesAdditionalDetailsAbstract" xlink:to="wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" order="90" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_VariableInterestEntitiesTextualAbstract" xlink:label="wm_VariableInterestEntitiesTextualAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_VariableInterestEntityLineItems" xlink:to="wm_VariableInterestEntitiesTextualAbstract" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestmentAggregateCost" xlink:label="loc_EquityMethodInvestmentAggregateCost" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="loc_EquityMethodInvestmentAggregateCost" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_VariableInterestEntityThirdPartyInitialInvestment" xlink:label="wm_VariableInterestEntityThirdPartyInitialInvestment" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="wm_VariableInterestEntityThirdPartyInitialInvestment" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntityCarryingAmountOfCollateralizedAssets" xlink:label="loc_VariableInterestEntityCarryingAmountOfCollateralizedAssets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="loc_VariableInterestEntityCarryingAmountOfCollateralizedAssets" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EquityMethodInvestmentsDebtBalance" xlink:label="wm_EquityMethodInvestmentsDebtBalance" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="wm_EquityMethodInvestmentsDebtBalance" order="2.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_EquityMethodInvestments" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="loc_EquityMethodInvestments" order="1.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireOtherInvestments" xlink:label="loc_PaymentsToAcquireOtherInvestments" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="loc_PaymentsToAcquireOtherInvestments" order="0.625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EquityMethodInvestmentNonCashComponent" xlink:label="wm_EquityMethodInvestmentNonCashComponent" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="wm_EquityMethodInvestmentNonCashComponent" order="0.3125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns" xlink:label="wm_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="wm_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns" order="0.078125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns" xlink:label="wm_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="wm_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns" order="0.0390625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyOne" xlink:label="wm_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyOne_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="wm_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyOne_2" order="0.01953125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage" xlink:label="loc_VariableInterestEntityOwnershipPercentage" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="loc_VariableInterestEntityOwnershipPercentage" order="0.009765625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_MinorityInterest" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="loc_MinorityInterest" order="0.234375" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome" xlink:label="wm_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_VariableInterestEntitiesAdditionalDetailsAbstract" xlink:to="wm_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome" order="82.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" xlink:title="0212 - Disclosure - (Income) Expense from Divestitures, Asset Impairments and Unusual Items">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExtraordinaryAndUnusualItemsAbstract" xlink:label="loc_ExtraordinaryAndUnusualItemsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnusualOrInfrequentItemsDisclosureTextBlock" xlink:label="loc_UnusualOrInfrequentItemsDisclosureTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ExtraordinaryAndUnusualItemsAbstract" xlink:to="loc_UnusualOrInfrequentItemsDisclosureTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetails" xlink:title="0612 - Disclosure - (Income) Expense from Divestitures, Asset Impairments and Unusual Items (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware" xlink:label="wm_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract" xlink:to="wm_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossRelatedToLitigationSettlement" xlink:label="loc_GainLossRelatedToLitigationSettlement" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract" xlink:to="loc_GainLossRelatedToLitigationSettlement" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/FairValueMeasurementsTables" xlink:title="0513 - Disclosure - Fair Value Measurements (Tables)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueMeasurementsTablesAbstract" xlink:label="wm_FairValueMeasurementsTablesAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:label="loc_FairValueMeasurementInputsDisclosureTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_FairValueMeasurementsTablesAbstract" xlink:to="loc_FairValueMeasurementInputsDisclosureTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/NewAccountingPronouncementPendingAdoption" xlink:title="0216 - Disclosure - New Accounting Pronouncements Pending Adoption">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NewAccountingPronouncementsPendingAdoptionAbstract" xlink:label="wm_NewAccountingPronouncementsPendingAdoptionAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NewAccountingStandardsPendingAdoptionTextBlock" xlink:label="wm_NewAccountingStandardsPendingAdoptionTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_NewAccountingPronouncementsPendingAdoptionAbstract" xlink:to="wm_NewAccountingStandardsPendingAdoptionTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/Restructuring" xlink:title="0211 - Statement - Restructuring">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringAbstract" xlink:label="wm_RestructuringAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock" xlink:label="loc_RestructuringAndRelatedActivitiesDisclosureTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_RestructuringAbstract" xlink:to="loc_RestructuringAndRelatedActivitiesDisclosureTextBlock" order="20" use="optional" priority="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/RestructuringTables" xlink:title="0511 - Disclosure - Restructuring (Tables)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringTablesAbstract" xlink:label="wm_RestructuringTablesAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock" xlink:label="wm_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_RestructuringTablesAbstract" xlink:to="wm_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock" order="10" use="optional" priority="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/RestructuringDetails" xlink:title="0611 - Disclosure - Restructuring (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringDetailsAbstract" xlink:label="wm_RestructuringDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_ScheduleOfRestructuringAndRelatedCostsTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_RestructuringDetailsAbstract" xlink:to="loc_ScheduleOfRestructuringAndRelatedCostsTable" order="5" use="optional" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_StatementBusinessSegmentsAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="loc_StatementBusinessSegmentsAxis" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentBusinessDomain" xlink:label="loc_SegmentBusinessDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_StatementBusinessSegmentsAxis" xlink:to="loc_SegmentBusinessDomain" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringChargesEasternMember" xlink:label="wm_RestructuringChargesEasternMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_RestructuringChargesEasternMember" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringChargesMidwestMember" xlink:label="wm_RestructuringChargesMidwestMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_RestructuringChargesMidwestMember" order="7.5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringChargesSouthernMember" xlink:label="wm_RestructuringChargesSouthernMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_RestructuringChargesSouthernMember" order="8.75" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringChargesWesternMember" xlink:label="wm_RestructuringChargesWesternMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_RestructuringChargesWesternMember" order="9.375" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringChargesWheelabratorMember" xlink:label="wm_RestructuringChargesWheelabratorMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_RestructuringChargesWheelabratorMember" order="9.6875" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringChargesCorporateAndOtherMember" xlink:label="wm_RestructuringChargesCorporateAndOtherMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_SegmentBusinessDomain" xlink:to="wm_RestructuringChargesCorporateAndOtherMember" order="29.6875" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringAndRelatedCostLineItems" xlink:label="loc_RestructuringAndRelatedCostLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="loc_RestructuringAndRelatedCostLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringChargesAbstract" xlink:label="loc_RestructuringChargesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_RestructuringAndRelatedCostLineItems" xlink:to="loc_RestructuringChargesAbstract" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_RestructuringCharges" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_RestructuringChargesAbstract" xlink:to="loc_RestructuringCharges" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/LandfillAndEnvironmentalRemediationLiabilitiesDetailsTextual" xlink:title="06022 - Disclosure - Landfill and Environmental Remediation Liabilities (Details Textual)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" xlink:to="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" xlink:label="wm_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract" xlink:to="wm_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" xlink:label="wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract" xlink:to="wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesDiscountRate" xlink:label="loc_AccrualForEnvironmentalLossContingenciesDiscountRate" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract" xlink:to="loc_AccrualForEnvironmentalLossContingenciesDiscountRate" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_FavorableRevisionToRemediationLiabilityAtClosedSiteToPartiallyOffsetCharge" xlink:label="wm_FavorableRevisionToRemediationLiabilityAtClosedSiteToPartiallyOffsetCharge" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract" xlink:to="wm_FavorableRevisionToRemediationLiabilityAtClosedSiteToPartiallyOffsetCharge" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AccrualForEnvironmentalLossContingenciesMaterialChangesInAccrualFromChangeInDiscountRate" xlink:label="wm_AccrualForEnvironmentalLossContingenciesMaterialChangesInAccrualFromChangeInDiscountRate" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract" xlink:to="wm_AccrualForEnvironmentalLossContingenciesMaterialChangesInAccrualFromChangeInDiscountRate" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/IncomeTaxesDetailsTextual" xlink:title="0605 - Disclosure - Income Taxes (Details Textual)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IncomeTaxesDetailsAbstract" xlink:label="wm_IncomeTaxesDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_ScheduleOfEquityMethodInvestmentsTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_IncomeTaxesDetailsAbstract" xlink:to="loc_ScheduleOfEquityMethodInvestmentsTable" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfEquityMethodInvestmentsTable" xlink:to="loc_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_EquityMethodInvesteeNameDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="loc_EquityMethodInvesteeNameDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_LowIncomeHousingPropertiesMember" xlink:label="wm_LowIncomeHousingPropertiesMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EquityMethodInvesteeNameDomain" xlink:to="wm_LowIncomeHousingPropertiesMember" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_InvestmentInRefinedCoalFacilityMember" xlink:label="wm_InvestmentInRefinedCoalFacilityMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EquityMethodInvesteeNameDomain" xlink:to="wm_InvestmentInRefinedCoalFacilityMember" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_ScheduleOfEquityMethodInvestmentsLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfEquityMethodInvestmentsTable" xlink:to="loc_ScheduleOfEquityMethodInvestmentsLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IncomeTaxesAdditionalTextualAbstract" xlink:label="wm_IncomeTaxesAdditionalTextualAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_IncomeTaxesDetailsAbstract" xlink:to="wm_IncomeTaxesAdditionalTextualAbstract" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_EffectiveIncomeTaxRateContinuingOperations" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_IncomeTaxesAdditionalTextualAbstract" xlink:to="loc_EffectiveIncomeTaxRateContinuingOperations" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IncreaseInBonusDepreciationAllowanceLow" xlink:label="wm_IncreaseInBonusDepreciationAllowanceLow" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_IncomeTaxesAdditionalTextualAbstract" xlink:to="wm_IncreaseInBonusDepreciationAllowanceLow" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_IncreaseInBonusDepreciationAllowanceHigh" xlink:label="wm_IncreaseInBonusDepreciationAllowanceHigh" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_IncomeTaxesAdditionalTextualAbstract" xlink:to="wm_IncreaseInBonusDepreciationAllowanceHigh" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_PercentageOfDeductionAppliesToQualifyingProperty" xlink:label="wm_PercentageOfDeductionAppliesToQualifyingProperty" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_IncomeTaxesAdditionalTextualAbstract" xlink:to="wm_PercentageOfDeductionAppliesToQualifyingProperty" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AmountOfDecreaseInCashTaxesDueToAccelerationOfDeductionOnCurrentYearCapitalExpenditures" xlink:label="wm_AmountOfDecreaseInCashTaxesDueToAccelerationOfDeductionOnCurrentYearCapitalExpenditures" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_IncomeTaxesAdditionalTextualAbstract" xlink:to="wm_AmountOfDecreaseInCashTaxesDueToAccelerationOfDeductionOnCurrentYearCapitalExpenditures" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireOtherInvestments" xlink:label="loc_PaymentsToAcquireOtherInvestments" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfEquityMethodInvestmentsLineItems" xlink:to="loc_PaymentsToAcquireOtherInvestments" order="2.96875" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EquityMethodInvestmentIncomeTaxBenefitFromRefinedCoalFacility" xlink:label="wm_EquityMethodInvestmentIncomeTaxBenefitFromRefinedCoalFacility" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfEquityMethodInvestmentsLineItems" xlink:to="wm_EquityMethodInvestmentIncomeTaxBenefitFromRefinedCoalFacility" order="4.453125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_IncomeLossFromEquityMethodInvestments" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfEquityMethodInvestmentsLineItems" xlink:to="loc_IncomeLossFromEquityMethodInvestments" order="5.1953125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestAndDebtExpense" xlink:label="loc_InterestAndDebtExpense" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfEquityMethodInvestmentsLineItems" xlink:to="loc_InterestAndDebtExpense" order="5.566406" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_TaxCreditsLowIncomeHousingEquityMethodInvestment" xlink:label="wm_TaxCreditsLowIncomeHousingEquityMethodInvestment" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfEquityMethodInvestmentsLineItems" xlink:to="wm_TaxCreditsLowIncomeHousingEquityMethodInvestment" order="5.751953125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/CommitmentsAndContingenciesDetailsTextual" xlink:title="0608 - Disclosure - Commitments and Contingencies (Details Textual)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CommitmentsAndContingenciesDetailsAbstract" xlink:label="wm_CommitmentsAndContingenciesDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CommitmentsAndContingenciesTextualAbstract" xlink:label="wm_CommitmentsAndContingenciesTextualAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesDetailsAbstract" xlink:to="wm_CommitmentsAndContingenciesTextualAbstract" order="35" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate" xlink:label="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate" order="0.0003051758" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:label="wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" order="0.0006103516" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:label="wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" order="0.001220703" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:label="wm_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" order="0.002441406" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NumberOfSeparateWageAndHourLawsuitsPendingAgainstCertainOfOurSubsidiariesInCaliforniaEachSeekingClassCertification" xlink:label="wm_NumberOfSeparateWageAndHourLawsuitsPendingAgainstCertainOfOurSubsidiariesInCaliforniaEachSeekingClassCertification" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_NumberOfSeparateWageAndHourLawsuitsPendingAgainstCertainOfOurSubsidiariesInCaliforniaEachSeekingClassCertification" order="0.004882813" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_DisclosureRequiredUnderItem103OfSecsRegulationSk" xlink:label="wm_DisclosureRequiredUnderItem103OfSecsRegulationSk" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_DisclosureRequiredUnderItem103OfSecsRegulationSk" order="0.009765625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements" xlink:label="wm_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements" order="0.01953125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates" xlink:label="wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates" order="0.0390625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NumberOfBargainingUnitsWithdrawnFromMultiemployerPensionPlans" xlink:label="wm_NumberOfBargainingUnitsWithdrawnFromMultiemployerPensionPlans" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_NumberOfBargainingUnitsWithdrawnFromMultiemployerPensionPlans" order="0.078125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_ApproximateNumberOfHomeownersPropertiesToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue" xlink:label="wm_ApproximateNumberOfHomeownersPropertiesToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_ApproximateNumberOfHomeownersPropertiesToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue" order="0.15625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue" xlink:label="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue" order="0.3125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GuaranteeObligationsTerm" xlink:label="loc_GuaranteeObligationsTerm" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="loc_GuaranteeObligationsTerm" order="0.625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_GuaranteeObligationsMaximumExposure" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="loc_GuaranteeObligationsMaximumExposure" order="7.629395" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NumberOfMonthsExpectedForIrsAuditsToBeCompleted" xlink:label="wm_NumberOfMonthsExpectedForIrsAuditsToBeCompleted" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_NumberOfMonthsExpectedForIrsAuditsToBeCompleted" order="0.1171875" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_LossContingenciesTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesDetailsAbstract" xlink:to="loc_LossContingenciesTable" order="55" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_LegalEntityAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LossContingenciesTable" xlink:to="loc_LegalEntityAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityDomain" xlink:label="loc_EntityDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LegalEntityAxis" xlink:to="loc_EntityDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_LossContingenciesLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LossContingenciesTable" xlink:to="loc_LossContingenciesLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_KettlemanHillsMember" xlink:label="wm_KettlemanHillsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EntityDomain" xlink:to="wm_KettlemanHillsMember" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_KaiserMissouriMember" xlink:label="wm_KaiserMissouriMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_EntityDomain" xlink:to="wm_KaiserMissouriMember" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_CivilPenaltiesForViolationAlleged" xlink:label="wm_CivilPenaltiesForViolationAlleged" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_LossContingenciesLineItems" xlink:to="wm_CivilPenaltiesForViolationAlleged" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NumberOfMonthsExpectedForExaminationToBeCompleted" xlink:label="wm_NumberOfMonthsExpectedForExaminationToBeCompleted" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_NumberOfMonthsExpectedForExaminationToBeCompleted" order="27.629395" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies_3" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="us-gaap_AccrualForEnvironmentalLossContingencies_3" order="0.0004577637" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/RestructuringDetailsTextual" xlink:title="06111 - Disclosure - Restructuring (Details Textual)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringDetailsAbstract" xlink:label="wm_RestructuringDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_ScheduleOfRestructuringAndRelatedCostsTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_RestructuringDetailsAbstract" xlink:to="loc_ScheduleOfRestructuringAndRelatedCostsTable" order="20" use="optional" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringAndRelatedCostByTypeOfRestructuringAxis" xlink:label="loc_RestructuringAndRelatedCostByTypeOfRestructuringAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="loc_RestructuringAndRelatedCostByTypeOfRestructuringAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_TypeOfRestructuringDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_RestructuringAndRelatedCostByTypeOfRestructuringAxis" xlink:to="loc_TypeOfRestructuringDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringAndRelatedCostLineItems" xlink:label="loc_RestructuringAndRelatedCostLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="loc_RestructuringAndRelatedCostLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringTextualAbstract" xlink:label="wm_RestructuringTextualAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_RestructuringAndRelatedCostLineItems" xlink:to="wm_RestructuringTextualAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NumberOfEmployeePositionsEliminated" xlink:label="wm_NumberOfEmployeePositionsEliminated" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_RestructuringTextualAbstract" xlink:to="wm_NumberOfEmployeePositionsEliminated" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringChargesAbstract" xlink:label="loc_RestructuringChargesAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_RestructuringDetailsAbstract" xlink:to="loc_RestructuringChargesAbstract" order="40" use="optional" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SeveranceCosts" xlink:label="loc_SeveranceCosts" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_RestructuringChargesAbstract" xlink:to="loc_SeveranceCosts" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RestructuringSeveranceAndBenefitReserveSettledWithCash" xlink:label="wm_RestructuringSeveranceAndBenefitReserveSettledWithCash" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_RestructuringChargesAbstract" xlink:to="wm_RestructuringSeveranceAndBenefitReserveSettledWithCash" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_OpenPositionsMember" xlink:label="wm_OpenPositionsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_TypeOfRestructuringDomain" xlink:to="wm_OpenPositionsMember" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/AcquisitionOfOakleafGlobalHoldingsDetails" xlink:title="0610 - Disclosure - Acquisition of Oakleaf Global Holdings (Details)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AcquisitionsDetailsAbstract" xlink:label="wm_AcquisitionsDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsDetailsAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" order="0.078125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets" order="0.15625" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" order="0.3125" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" order="1.25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" order="3.75" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" order="5" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedLiabilities" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedLiabilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedLiabilities" order="7.5" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesNet" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesNet" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:to="wm_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesNet" order="8.125" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" order="8.75" use="optional" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:label="loc_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:to="loc_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/AcquisitionOfOakleafGlobalHoldingsDetails1" xlink:title="06101 - Disclosure - Acquisition of Oakleaf Global Holdings (Details 1)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AcquisitionsDetailsAbstract" xlink:label="wm_AcquisitionsDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:label="loc_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsDetailsAbstract" xlink:to="loc_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" order="10" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:to="loc_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="loc_FiniteLivedIntangibleAssetsMajorClassNameDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_CustomerRelationshipsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="loc_CustomerRelationshipsMember" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_VendorRelationshipsMember" xlink:label="wm_VendorRelationshipsMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="wm_VendorRelationshipsMember" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TrademarksMember" xlink:label="loc_TrademarksMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="loc_TrademarksMember" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:label="loc_AcquiredFiniteLivedIntangibleAssetsLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:to="loc_AcquiredFiniteLivedIntangibleAssetsLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract" xlink:label="wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:to="wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsWeightedAverageAmortizationPeriod" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsWeightedAverageAmortizationPeriod" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract" xlink:to="wm_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsWeightedAverageAmortizationPeriod" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/AcquisitionOfOakleafGlobalHoldingsDetails2" xlink:title="06102 - Disclosure - Acquisition of Oakleaf Global Holdings (Details 2)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AcquisitionsDetailsAbstract" xlink:label="wm_AcquisitionsDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationAbstract" xlink:label="loc_BusinessAcquisitionProFormaInformationAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsDetailsAbstract" xlink:to="loc_BusinessAcquisitionProFormaInformationAbstract" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaRevenue" xlink:label="loc_BusinessAcquisitionProFormaRevenue" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionProFormaInformationAbstract" xlink:to="loc_BusinessAcquisitionProFormaRevenue" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaNetIncomeLoss" xlink:label="loc_BusinessAcquisitionProFormaNetIncomeLoss" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionProFormaInformationAbstract" xlink:to="loc_BusinessAcquisitionProFormaNetIncomeLoss" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:label="loc_BusinessAcquisitionProFormaEarningsPerShareBasic" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionProFormaInformationAbstract" xlink:to="loc_BusinessAcquisitionProFormaEarningsPerShareBasic" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:label="loc_BusinessAcquisitionProFormaEarningsPerShareDiluted" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionProFormaInformationAbstract" xlink:to="loc_BusinessAcquisitionProFormaEarningsPerShareDiluted" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/AcquisitionOfOakleafGlobalHoldingsDetailsTextual" xlink:title="06103 - Disclosure - Acquisition of Oakleaf Global Holdings (Details Textual)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AcquisitionsDetailsAbstract" xlink:label="wm_AcquisitionsDetailsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_ScheduleOfBusinessAcquisitionsByAcquisitionTable" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsDetailsAbstract" xlink:to="loc_ScheduleOfBusinessAcquisitionsByAcquisitionTable" order="10" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_BusinessAcquisitionAxis" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="loc_BusinessAcquisitionAxis" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_BusinessAcquisitionAcquireeDomain" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionAxis" xlink:to="loc_BusinessAcquisitionAcquireeDomain" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_OakleafMember" xlink:label="wm_OakleafMember" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionAcquireeDomain" xlink:to="wm_OakleafMember" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_BusinessAcquisitionLineItems" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="loc_BusinessAcquisitionLineItems" order="40" use="optional" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AcquisitionsTextualAbstract" xlink:label="wm_AcquisitionsTextualAbstract" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_BusinessAcquisitionLineItems" xlink:to="wm_AcquisitionsTextualAbstract" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:label="loc_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsTextualAbstract" xlink:to="loc_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsTextualAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" order="35" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Revenues" xlink:label="loc_Revenues" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsTextualAbstract" xlink:to="loc_Revenues" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="loc_BusinessCombinationAcquisitionRelatedCosts" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsTextualAbstract" xlink:to="loc_BusinessCombinationAcquisitionRelatedCosts" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_RevenueRecognized" xlink:label="wm_RevenueRecognized" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsTextualAbstract" xlink:to="wm_RevenueRecognized" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_NetLossRecognizedByAcquireePostAcquisitionDate" xlink:label="wm_NetLossRecognizedByAcquireePostAcquisitionDate" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsTextualAbstract" xlink:to="wm_NetLossRecognizedByAcquireePostAcquisitionDate" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:label="loc_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsTextualAbstract" xlink:to="loc_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" order="160" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/AcquisitionOfOakleafGlobalHoldingsTables" xlink:title="0510 - Disclosure - Acquisition of Oakleaf Global Holdings (Tables)">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AcquisitionsTablesAbstract" xlink:label="wm_AcquisitionsTablesAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_PreliminaryPurchasePriceAllocationTextBlock" xlink:label="wm_PreliminaryPurchasePriceAllocationTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsTablesAbstract" xlink:to="wm_PreliminaryPurchasePriceAllocationTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_PreliminaryAllocationPurchasePriceIntangibleAssetsTextBlock" xlink:label="wm_PreliminaryAllocationPurchasePriceIntangibleAssetsTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsTablesAbstract" xlink:to="wm_PreliminaryAllocationPurchasePriceIntangibleAssetsTextBlock" order="25" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="loc_BusinessAcquisitionProFormaInformationTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsTablesAbstract" xlink:to="loc_BusinessAcquisitionProFormaInformationTextBlock" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://wm.com/role/AcquisitionOfOakleafGlobalHoldings" xlink:title="0210 - Disclosure - Acquisition of Oakleaf Global Holdings">
    <loc xlink:type="locator" xlink:href="wm-20110930.xsd#wm_AcquisitionsAbstract" xlink:label="wm_AcquisitionsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="loc_BusinessCombinationDisclosureTextBlock" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="wm_AcquisitionsAbstract" xlink:to="loc_BusinessCombinationDisclosureTextBlock" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
</linkbase>
</XBRL>
