麦肯锡-建筑通告：最大限度地减少二氧化碳排放和创造商业机会（英）.docx

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1、In collaboration with McKinsey & CompanyW7ORLD ECONOMIC FQRUMCircularityintheBuiltEnvironment:MaximizingCO2AbatementandBusinessOpportunitiesWHITEPAPER.DECEMBER2023Images:GettyImages,UnsplashContentsForeword3Executivesummary4Introduction51 Transformingtheresourceloopsinthebuiltenvironment61.1 Resourc

2、erecirculation81.2 Resourceefficiencies91.3 Resourceutilization92 Buildingwithcircularmaterials102.1 Concreteandcement132.2 Constructionsteel152.3 Constructionaluminium172.4 Constructionplastics192.5 Flatglass212.6 Gypsum23Conclusion:Drivingthecircularitytransitioninthebuiltenvironment25Appendix:Mod

3、ellingassumptionsandresultscalculation26Contributors27Endnotes28DisclaimerThisdocumentispublishedbytheWorldEnomicForumasacontributiontoaproject,insightareaorinteraction.Thefindings,interpretationsandndusionsexpressedhereinarearesultofacollatorativeprocessfacilitatedandendorsedbytheWorldEomicForumbut

4、whoseresultsdonotnecessarilyrepresenttheviewsoftheWorldEconomicForum,northeentiretyofitsMembers,Partnersorotherstakeholders.2023WorldEnomicForum.Allrightsreserved.NopartofthispublicationmaybereproducedOrtransmittedinanyformorbyanymeans,includingphotocopyingandrerding,orbyanyinformationstorageandretr

5、ievalsystem.December 2023CircularityintheBuiltEnvironment:MaximizingCO2AbatementandBusinessOpportunitiesForewordFernando GomezHead, Resource Systems and Resilience - Centre for Nature and Climate, Member of the Executive Committee, World Economic ForumJukkaMaksimainenSeniorPartner,McKinsey&CompanySe

6、bastianReiterPartner,McKinsey&CompanyJorgenSandstromHead,TransformingIndustrialEsystems-CentreforEnergyandMaterials,WorldEnomicForumAmultitudeofcomplexglobalchallenges,includinghealthcrises,geopoliticalconflictsandeconomicdifficulties,haveinspiredthenarrativethattheworldhasenteredanewnorma,whereorga

7、nizationsmustdealwithcrisesandfocusonresiliencebydefault.Throughoutthisshiftingnormality,whathasnotchangedistheurgentneedtotackleoneofthemostprevalentissuesofthecentury:combatingclimatechangeanditsprofoundimpactontheworld.Thebuiltenvironmentholdsimmensepotentialforpositivechange.Buildingsandconstruc

8、tionaountforabout26%ofglobalgreenhousegasemissions,primarilyduetotheirsubstantialconsumptionofenergyandmaterials.However,thereisanopportunitytotransitionfromcurrentconsumptionandproductionpatternstoamoresustainablecircularapproach.Byreimaginingdesignprocesses,embracingcutting-edgetechnologiesandexpl

9、oringinnovativebusinessmodels,industryplayerscanunlkgreatervaluefromexistingassets,conservecrucialresourcesandreducewaste.Theurgencyofmakingthisshifttowardsgreatercircularitycannotbeoverstated;eachpassingdaywithoutactionexacerbatesthechallengeshumanityfaces.ThiswhitepaperbytheWorldEnomicForumsCentre

10、forNatureandClimateandtheCentreforEnergyandMaterials,incollaborationwithMcKinsey,embarksonamprehensiveexplorationofcircularityspotentialtorevolutionizethebuiltenvironmentandcreateasustainableandresilientfuture.Throughcarefulanalysisofvaluepoolsandabatementpotential,ourresearchservesasacalltoaction,r

11、evealingbothenvironmentalgainsandsignificanteconomicrewards.Here,weshareapathtowardsamoresustainableindustrythatcanabateCO2emissionswhileunlockingeconomicvalue.Astheindustrybeginsthistransformativejourneytowardsacircularbuiltenvironment,itiscrucialtorecognizethepivotalroleoflighthouses,whichofferbre

12、akthroughcircularitysolutionsthatdemonstrateenvironmentalimpact,scalabilityandfinancialviability.Thesepioneersbringtogetherindustryleaderstoactivelydriveandacceleratethetransitiontowardscircularity,servingasbeaconsofinspirationandshowcasingproactiveadoptionofcircularpractices.Byembracingcircularity,

13、theynotonlysafeguardtheplanetbutalsounlocksustainableprosperity.WethankallcommunitymembersandForuminitiativeleadersfortheirdedicationandinvaluableinputtowardsthisreport.Wetrustitwilloffervaluableguidanceandperspectivestoleadersinboththepublicandprivatesectorsaswecollaborativelychartthecourseforthebu

14、iltenvironmentsfuture.ExecutivesummaryCircularitycouldabate75%ofembodiedemissionsfromthebuiltenvironmentwhilecreatingsignificanteconomicvalue.Thiswhitepaperquantifiesthepotentialforcarbondioxide(CO2)abatementandpotentialnetvaluegainacrossninecircularityloopsforsixkeybuildingmaterials:cementandconcre

15、te,steel,aluminium,plastics,glassandgypsum.Thecircularityloopsareassessedthroughthreedimensions:recirculationofmaterialsandminerals,renewableandrecoveredenergyandreducingemissionsthroughcarboncaptureandstorage(CCS)andcarboncaptureandutilization(CCU).Theresultsshowthatcircularloopsldabate0.5to0.8giga

16、tonnesofCO2(GtCO2)in2030andbetween3.4and4.0GtCO2in2050.Thisaccountsfor13%ofthebuiltenvironmentsembodiedcarbonemissionsin2030butapproaches75%in2050.In2030,recirculationofmaterialsandmineralsandCCS/CCUareeachexpectedtocontributearound40%oftotalabatement,withCCS/CCUincreasingitscontributiontomorethan50%by2050.Circulari