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      <link:linkbaseRef xlink:type="simple" xlink:href="wm-20240630_lab.xml" xlink:title="Label Links, all" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:roleType roleURI="http://www.wm.com/role/DisclosureStandardAndCustomAxisDomainDefaults" id="DisclosureStandardAndCustomAxisDomainDefaults">
        <link:definition>99900 - Disclosure - Standard And Custom Axis Domain Defaults</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
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  <xsd:import namespace="http://xbrl.sec.gov/ecd/2024" schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2024" schemaLocation="https://xbrl.sec.gov/dei/2024/dei-2024.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2024" schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-roles-2024.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <xsd:import namespace="http://fasb.org/us-gaap/2024" schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd" />
  <xsd:import namespace="http://fasb.org/srt/2024" schemaLocation="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/currency/2024" schemaLocation="https://xbrl.sec.gov/currency/2024/currency-2024.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/ecd-sub/2024" schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-sub-2024.xsd" />
  <xsd:element name="AcceleratedShareRepurchaseAgreementMember" id="wm_AcceleratedShareRepurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetRetirementObligationAndEnvironmentalRemediationDisclosureTextBlock" id="wm_AssetRetirementObligationAndEnvironmentalRemediationDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetRetirementObligationAndEnvironmentalRemediationRollforwardAnalysisTableTextBlock" id="wm_AssetRetirementObligationAndEnvironmentalRemediationRollforwardAnalysisTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments" id="wm_AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CommercialPaperProgramMember" id="wm_CommercialPaperProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommitmentsAndContingenciesLineItems" id="wm_CommitmentsAndContingenciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommitmentsAndContingenciesTable" id="wm_CommitmentsAndContingenciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureRequiredUnderItemOneZeroThreeOfSecsRegulationSk" id="wm_DisclosureRequiredUnderItemOneZeroThreeOfSecsRegulationSk" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EnvironmentalCostsMember" id="wm_EnvironmentalCostsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInDeferredRevenueAndOtherOperatingLiabilities" id="wm_IncreaseDecreaseInDeferredRevenueAndOtherOperatingLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="InterestAndOtherIncomeExpense" id="wm_InterestAndOtherIncomeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue" id="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" id="wm_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" id="wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" id="wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities" id="wm_ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SanJacintoWastePitsMember" id="wm_SanJacintoWastePitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WasteDiversionTechnologyCompanyMember" id="wm_WasteDiversionTechnologyCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CreditFacilityRevolvingMember" id="wm_CreditFacilityRevolvingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotesAggregateMember" id="wm_SeniorNotesAggregateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TaxExemptBondsMember" id="wm_TaxExemptBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxesTable" id="wm_IncomeTaxesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxesLineItems" id="wm_IncomeTaxesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommercialMember" id="wm_CommercialMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ResidentialMember" id="wm_ResidentialMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IndustrialMember" id="wm_IndustrialMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherCollectionMember" id="wm_OtherCollectionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CollectionMember" id="wm_CollectionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TransferMember" id="wm_TransferMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InvestmentInLowIncomeHousingPropertiesMember" id="wm_InvestmentInLowIncomeHousingPropertiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TrustForFinalCappingClosurePostClosureOrEnvironmentalRemediationObligationsMember" id="wm_TrustForFinalCappingClosurePostClosureOrEnvironmentalRemediationObligationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtMaturingOrSubjectToRefinancingWithinNextTwelveMonthsClassifiedAsLongTerm" id="wm_DebtMaturingOrSubjectToRefinancingWithinNextTwelveMonthsClassifiedAsLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentInterestRatePeriodExpiringCurrent" id="wm_DebtInstrumentInterestRatePeriodExpiringCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AccruedCappingAndEnvironmentalCosts" id="wm_AccruedCappingAndEnvironmentalCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="StockActivityUnder10b51PlanMember" id="wm_StockActivityUnder10b51PlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationsAndDispositionsAbstract" id="wm_BusinessCombinationsAndDispositionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredRevenueRecognitionPeriod" id="wm_DeferredRevenueRecognitionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LineOfCreditFacilityAccordionCapacityIncrease" id="wm_LineOfCreditFacilityAccordionCapacityIncrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="GainLossFromDivestituresAssetImpairmentsAndUnusualItems" id="wm_GainLossFromDivestituresAssetImpairmentsAndUnusualItems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="GainLossFromDivestituresAssetImpairmentsAndOtherNoncashPortion" id="wm_GainLossFromDivestituresAssetImpairmentsAndOtherNoncashPortion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FinancingLeasesAndOtherMember" id="wm_FinancingLeasesAndOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtAndFinancingLeasesMaturingOrSubjectToRemarketingWithinNextTwelveMonths" id="wm_DebtAndFinancingLeasesMaturingOrSubjectToRemarketingWithinNextTwelveMonths" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CanadianSeniorNotesMember" id="wm_CanadianSeniorNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InvestmentMaturityTerm" id="wm_InvestmentMaturityTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherLetterOfCreditFacilitiesMember" id="wm_OtherLetterOfCreditFacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CreditFacilityRevolvingCanadianMember" id="wm_CreditFacilityRevolvingCanadianMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipant" id="wm_MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProvisionForDoubtfulAccountsAndOtherCreditLosses" id="wm_ProvisionForDoubtfulAccountsAndOtherCreditLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes3.5PercentDue2024Member" id="wm_SeniorNotes3.5PercentDue2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes3.125PercentDue2025Member" id="wm_SeniorNotes3.125PercentDue2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="JamesC.FishJr.Member" id="wm_JamesC.FishJr.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EastTierRegionAreasMember" id="wm_EastTierRegionAreasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WestTierRegionAreasMember" id="wm_WestTierRegionAreasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RafaelCarrascoMember" id="wm_RafaelCarrascoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MichaelWatsonMember" id="wm_MichaelWatsonMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TaraHemmerMember" id="wm_TaraHemmerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="JohnMorrisMember" id="wm_JohnMorrisMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TradingPlanOneMember" id="wm_TradingPlanOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TradingPlanTwoMember" id="wm_TradingPlanTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TradingPlanThreeMember" id="wm_TradingPlanThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RecyclingProcessingAndSalesMember" id="wm_RecyclingProcessingAndSalesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RenewableEnergySegmentMember" id="wm_RenewableEnergySegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CollectionAndDisposalMember" id="wm_CollectionAndDisposalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherAncillaryMember" id="wm_OtherAncillaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DevinaRankinMember" id="wm_DevinaRankinMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TradingPlanOptionFourMember" id="wm_TradingPlanOptionFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CharlesBoettcherMember" id="wm_CharlesBoettcherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BusinessAcquisitions2024Member" id="wm_BusinessAcquisitions2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="StericycleMember" id="wm_StericycleMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherCurrentAssetsPolicyPolicyTextBlock" id="wm_OtherCurrentAssetsPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SeniorNotes4.950PercentMember" id="wm_SeniorNotes4.950PercentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes4.950PercentDue2027Member" id="wm_SeniorNotes4.950PercentDue2027Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes4.950PercentDue2031Member" id="wm_SeniorNotes4.950PercentDue2031Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="October2023AcceleratedShareRepurchaseAgreementMember" id="wm_October2023AcceleratedShareRepurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WintersBrosWasteSystemsMember" id="wm_WintersBrosWasteSystemsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
