关于环保的英语PPT

Warning!OurenvironmentisinemergencyEverybodyknowswastepaperandusedcokecansarediscardedeverywhere.Youmighthaveseenplasticbagsflyingintheskyandgettingcaughtinthetreeswhenthewindblowsormaybeyouhaveseenoldcansfloatingintheriversandpollutingthewater.Ourenvironmentistheplaceinwhichwelive,butitisbeingruinedbyus.Airpollutionisbecomingasevereproblem,whichmainlycausedbytransportactionandfactoriesproduction.Theairpollutionchangestheconditionsthatwedependon,suchasthegreenhouseeffectandtheacidrain.Itcausesmanydiseases,too.Waterpollutionisthecontaminationofwaterbodiessuchaslakes,rivers,oceans,andgroundwater.Allwaterpollutionaffectsplantsthatliveinthesebodiesofwaterandinalmostallcasestheeffectisdamagingeithertoindividualspeciesandpopulationsbutalsotothenaturalbiologicalcommunities.Alargenumberofforestshavebeensacrificedforurbandevelopment.Asweallknow,wearekillinganimalswhilecuttingdownthesetrees.Asaresult,manyanimalspeciesaredyingout.SomekindsofthespeciesTheglobalwarmingIncreasingglobaltemperaturewillcausesealevelstoriseandwillchangetheamountandpatternofprecipitation,includinganexpanseofthesubtropicaldesertregions.Otherlikelyeffectsincludeincreasesintheintensityofextremeweatherevents,changesinagriculturalyields,modificationsoftraderoutes,glacierretreat,speciesextinctionsandincreasesintherangesofdiseasevectors.HumandestructionofenvironmentThisfirewasmadebypeoplewholivedthere!TheywantedtoexploitmorearablelandtosupplythemwithfoodandalsomanypeoplewantedtomakemoneybythecharcoalleftafterthefireThisistheroadinforestAndwhatshouldwedo?Whatdoesourearthlooklike?Energyconservation•Usegreenshoppingbagsinsteadofplastics•Turnoffthelightbeforeyougetout•Raisethetemperatureofair-conditioning•Rideabicycle,ortotakeabusinsteadofacar•TurndownthebrightnessandvoiceofyourcomputerWaterconservation•Recyclingofwater•Useawashbasinwhenyouwashandbrush•Dischargesewageaftertreatment•Plantmoretrees;protecttheforestsandalltheanimals•Useofrenewablematerials•Restricttheuseofprivatecars•Implementofsustainableeconomicdevelopment•……Thebeautifulplanetofoursisourhome.Totakecareoftheworldistotakecareofourselves.Let’sworktogethertokeepourworldaliveandwell.Theend