柴静《穹顶之下》英文版PPT.ppt

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1、《Under.the.Dome》MadeByChaiJingAformerCCTVpresenter,CaiJing,hasreleasedaself-fundeddocumentaryaboutsmog,inspiredbyhersickdaughter.1Whatissmog?2Whereisitfrom?3Howshouldwedo？1Whatissmog？Alabtestshowedatleast15cancer-causingmatterswerecontainedintheblackpaper,includingBenzo[a]pyrenewhichwas14t

2、imeshigherthanthenationalstandard(InXiaoyi,theBenzo[a]pyrenewasonlyninetimeshigherthanthenationalstandard).Aprofessorwhohasstudiedairpollutionfor30yearssaid,inthe1980s,pollutedairhadbeguntocauselungcancerinChina,butpeopleweremoreconcernedabouteconomicdevelopmentatthattime.Overthepast30year

3、s,thedeathrateoflungcancersurged465%.Althoughsmokingandageingweretwomajorproblem,airpollutionwasalsoconsideredafactor.2Whereisitfrom？Aftersomeanalysis,scientistsfromChinaAcademyofSciencesfoundthattheblackmatterscapturedbythesamplingdevicewerefromburningcoal,fuel,fertilizers,industrialprodu

4、ction,dust,andotherhuman-relatedactivities.Conclusion:60%ofPM2.5inChinacomesfromtheburningoffossilfuels.3Howshouldwedo？