全球变暖的原因-英语ppt

Ourglobeisindanger!Theenvironmentalproblems!!!SandstormWaterpollutionDeforestationAirpollutionDroughtLitteringLightpollutionDesertificationMeltingpolaricecapSandstormASfaraschenguang(陈光)isconcerned,thereasonwhysandstormsstrikeussooftenareasfollows:Firstly,tobuildhouseandgrowmorecrops,peoplecutdownmoreandmoretreeseveryyear.Secondly,largeareasofgreengrassandforestshavebeendestroyedbecauseofthepollutioncausedbysomefactories.Thirdly,whenplentyofbigtreesarecutdown,fewyoungtreesareplanted.Gradually,somanygreenhillsturnintowastland.Whenrainsfelltocome,sandstromsstrikeus.Sothebestsolutionforusisaction.wemustlookaftertheforestsandplantmoretreesrightnow.Dirtyairandpoisonouswaterfromfactoriesshouldbemadecleanbeforetheyaresentintotheairorpouredintoriver.WaterpollutionDeforestation采伐森林Ourlegendaryforest!我们传说中的森林！AirpollutionBelieveitornot,itistruething!DroughtIdon’tstandtosee!目不忍视！！！Idon’tdaretosee!惨不忍睹！！！！LitteringIdon’twanttosayanything!你懂的！！！！！！！！ISthatourfutuer?Itisthenaturalrevenge(报复)thatmakesfloodandtsunamihappenfrequently.floodtsunamiWhatcanwedotopreventourglobefrombeingindanger?Inmyview,wehavetheresponsibilitiestotakecareoftheEarthforourselvesandforourlatergeneration.Notonlyshouldwerealizetheseproblems,butalsoweshouldtakemessurestocopewiththeseproblemswiththehelpofthegovernment.Althoughtthelawshavebeenpassedtostoppollution,thereisstillalonglongwaytogo!前期策划：图片剪辑：后期编辑、制作：后勤保障：Thankyouforyourappreciation!That’sall!