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1、Cloning一、阅读理解Pollution’sgreateffectsontheenvironmenthavebeemoreobviousinrecentyears,leadingtoamovementtopromoteenergyefficiency（效率）,lessrelianceonfossil（化石)fuels,andareductioninairandwaterpollution.Mostscientistsagreethatsuchchangesarenecessarytoprotectourenvironmentfromfurtherhar
2、m.Theconstructionindustryconsumesalargequantityofenergyandresourcesandcreatesahugeamountofpollution.IntheUnitedStates,buildinganddevelopmentaccountfor39%ofthecountry’stotalenergyuse,12%oftotalwaterconsumption,68%oftotalelectricityconsumptionand38%ofcarbondioxideemissions（二氧化碳排放）,a
3、ccordingtotheEnvironmentProtectionAgency.Greenbuildingsuselessenergy,water,createlesswaste,andarehealthiertolive,work,andgotoschoolinthanstandardbuildings.Buildersofgreenbuildingsusetechniquesthatuseresourcesmoreefficientlyduringtheentirebuildingcycle—construction,restoration,oper
4、ation,maintenance（维护）anddemolition（拆毁）—thanthosewhoconstructmoreregularbuildings.Theenvironmentalbenefitsofbuildinggreenincludetheprotectionofecosystems（生态系统）andbiodiversity,improvedairandwaterquality,lesswasteflowingintostreams,andtheprotectionofnaturalresources.Greenbuildingscan
5、alsoresultinloweroperatingcostsbecausetheytypicallyuselessenergyandfewermaterialsandimproveindoorairquality,improvingthehealthofpeoplewholiveinsuchbuildings.Theprocessofbuildinggreenincludestechnicalandartisticplanningwithnatureprotectioninmind.Buildingdesignsoftenreflectthesurrou
6、ndingenvironmentandnaturalresourcesanduserenewablebuildingmaterialssuchasbambooandstraw.Inaddition,recycledresourcesfoundlocallyareusedforgreenbuildings,reducingthecostandairpollutionassociatedwithtransportingmaterialsoverlongdistances.Carefulsiteselectionisimportanttominimize（最小化
7、）humanimpactonthesurroundingenvironment.Forexample,placingastructureinanareathatallowsittotakeadvantageofcoolbreezes（微风）andsunlightcanreduceenergyuseandexpenses.Moreenergyandexpenseareneededforlargerbuildingsaswell,soitisimportanttobuildsmall.Greenroofsareanotherfeatureofgreenhous
8、esthatreduceenergyuseandcost.Thes
