保护环境-专业英文ppt

Whatdoesourearthlooklike?Howisourlivingenvironment?Everybodyknowswastepaperandusedcokecansarediscardedeverywhere.Youmighthaveseenplasticbagsflyingintheskyandgettingcaughtinthetreeswhenthewindblowsormaybeyouhaveseenoldcansfloatingintheriversandpollutingthewater.Ourenvironmentistheplaceinwhichwelive,butitisbeingruinedbyus.Airpollutionisbecomingasevereproblem,whichmainlycausedbytransportactionandfactoriesproduction.Theairpollutionchangestheconditionsthatwedependon,suchasthegreenhouseeffectandtheacidrain.Itcausesmanydiseases,too.Waterpollutionisthecontaminationofwaterbodiessuchaslakes,rivers,oceans,lagoons,andgroundwater.Allwaterpollutionaffectsorganismsandplantsthatliveinthesebodiesofwaterandinalmostallcasestheeffectisdamagingeithertoindividualspeciesandpopulationsbutalsotothenaturalbiologicalcommunities.Itoccurswhenpollutantsaredischargeddirectlyorindirectlyintowaterbodieswithoutadequatetreatmenttoremoveharmfulconstituents.ThegloblewarmingIncreasingglobaltemperaturewillcausesealevelstoriseandwillchangetheamountandpatternofprecipitation,includinganexpanseofthesubtropicaldesertregions.Otherlikelyeffectsincludeincreasesintheintensityofextremeweatherevents,changesinagriculturalyields,modificationsoftraderoutes,glacierretreat,speciesextinctionsandincreasesintherangesofdiseasevectors.Alargenumberofforestshavebeensacrificedforurbandevelopment.Asweallknow,treesareabletohelpcleantheair.Furthermore,wearekillinganimalswhilecuttingdownthesetrees.Asaresult,manyanimalspeciesaredyingout.Airpollutionisgettingworse,whichcancausemanydiseases.peoplestillgooncuttingdowntrees.Andwhatshouldwedo?Whatdoesourearthlooklike?EnergyconservationUsegreenshoppingbagsinsteadofplasticsTurnoffthelightbeforeyougetoutRaisethetemperatureofair-conditioningRideabicycle,ortotakeabusinsteadofacarTurndownthebrightnessandvoiceofyourcomputerWaterconservationRecyclingofwaterUseawashbasinwhenyouwashandbrushDischargesewageaftertreatmentPlantmoretrees;protecttheforestsandalltheanimalsUseofrenewablematerialsRestricttheuseofprivatecarsImplementofsustainableeconomicdevelopment……Thebeautifulplanetofoursisourhome.Totakecareoftheworldistotakecareofourselves.Let’sworktogethertokeepourworldaliveandwell.That’sall.Thankyou!o型密封圈仐摋邑