《环境保护英语》PPT课件

《《环境保护英语》PPT课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、CaringforOurEarthAirpollutionWaterpollutionPastandtodayThepollution’seffectonusWhatshouldwedoAirpollutionWhatthepollutioncausedby?1.natureproblem.2.people’sduty.ThepollutionincitiesAirpollutionisatitsworstoverbigcitieswheremillionsofpeoplelive,work,andtravelaboutincar

2、s,buses,andtrucks.Factorychimneyscanbefittedwithdevicestocutdownairpollution,butthisisexpensive.Ifbetterpubictransportandcyclelaneswereavailableintownsandcities,peoplewouldbelesslikelytousetheircars,reducingtheoverallamountofpollution.SmokingcigarettesSmokingcigarette

3、saddstothegenerallevelsofairpollutionaswellasdamagingourhealth.Cigarettesmokecontainschemicalsthatcancausecancer,agaswhichstopsoxygenbeingtakenintothebloodandasubstancecallednicotine,whichraisesbloodpressureandmakestheheartbeatfaster.No-smokingareascutdownonthispollut

4、ionandsavenon-smokersbreathinginotherpeople'scigarettesmoke.Somepointaboutairpollution1.Airpollutionindex.(API)2.Particulatematter(PM2.5)Airpollutionindexisagroupofnumberswhichshowhowserioustheairpollutionis.Akindofstatisticsaboutthediameterofmatterswecanbreathein.The

5、mostimportantelementoftheairpollution1.carbondioxide(CO2)2.carbonmonoxide(CO)3.suldurdioxide(SO2)4.……KyotoProtocol!Whatisthereactionofourcountriesovertheworld?WhatistheKyotoProtocol?TheKyotoProtocolwasanagreementnegotiatedbymanycountriesinDecember1997andcameintoforcew

6、ithRussia'sratificationonFebruary16,2005.ThereasonforthelengthytimespanbetweenthetermsofagreementbeingsettleduponandtheprotocolbeingengagedwasduetotermsofKyotorequiringatleast55partiestoratifytheagreementandforthetotalofthosepartiesemissionstobeatleast55%ofglobalprodu

7、ctionofgreenhousegases.Kyoto-successorfailure?TheKyotoProtocol,whilewellintentioned,wouldappeartobedoomedtofailingitsobjectivesevenbeforethe2008-2012averagingperiodcommences.Carbondioxidelevelsintheatmospherearerisingatafrighteningratewithnosignofslowing.Globaltempera

8、turesarecontinuingtorise.Kyoto-successorfailure?ThesciencebehindKyotowasshakyduetothelimitedavailabilityofcrucialdataandknow