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1、英语作文范文:SkyscrapersandEnvironment Inthelate1960s,manypeopleinNorthAmericaturnedtheirattentiontoenvironmentalproblems,andnewsteelandglassskyscraperswerewidelycriticized.Ecologistspointedoutthataclusteroftallbuildingsinacityoftenoverburdenspublictransportationandparkinglotcapacities. Skyscrapersarealso
2、lavishconsumers,andwasters,ofelectricpower.Inonerecentyear,theadditionof17millionsquarefeetofskyscraperofficespaceinNewYorkCityraisedthepeakdailydemandforelectricityby120,000kilowattsenoughtosupplytheentirecityofAlbany,NewYork,foraday. Glasswalledskyscraperscanbeespeciallywasteful.Theheatlossthrough
3、awallofhalfinchplateglassismorethantentimesthatthroughatypicalmasonrywallfilledwithinsulationboard.Tolessenthestrainonheatingandairconditioningequipment,buildersofskyscrapershavebeguntousedoubleglazedpanelsofglass,andreflectiveglassescoatedwithsilverorgoldmirrorfilmsthatreduceglareaswellasheatgain.H
4、owever,mirrorwalledskyscrapersraisethetemperatureofthesurroundingairandaffectneighboringbuildings. Skyscrapersputaseverestrainonacityssanitationfacilities,too.Iffullyoccupied,thetwoWorldTradeCentertowersinNewYorkCitywouldalonegenerate2.25milliongallonsofrawsewageeachyearasmuchasacitythesizeofStanford,Connecticut,whichhasapopulationofmorethan109,000.