savingtheearth(warmingup)课件
日期：2010-02-10 02:49
Unit9WhenandwhatareWorldEnviromentDay?June5WorldEnvironmentDay-theworldwarnpeopletoconcernfortheincreasingenvironmentalproblems 世界环境WhataboutWorldWaterDayandWorldEarthDay?March22WorldWaterDay-ThedecisiontocelebratethisdayhasbeentakenrecentlyasdrinkingwatersourcesarefastdepletingApril22isEarthDay–atimetoteachaboutthevalueofourenvironmentandhowtopreserveourplanetWaterpollutionTrash/garbageAirpollutionDesforestationDesertificationStarvationQuestions2Whatisthebiggestproblemfacingtheearth?Whydoyouthinkso?Water?Earth?Air?Starvaion?Otherproblem?1Whatcausetheproblem?Treesbecutdown—nothingtohold---soilwahsedawayTreesbecutdown—nothingtohold---soilwahsedawaySmokefromfactories，powerstationsandcars---waterbepolluted3Whatcanwedotosolvetheproblem?(1)wecandeveloptechologytocontrolthepollutionofairandwater(2)OurgovernmentshouldspendmoremoneyincontrolingdesertificationbyplantsmoreTrees(3)………Discussion(groupwork)Whatweshoulddotoprotectourenviromentinfutu，
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