一份关于保护环境的英文PPT

ToProtectEnvironmentFortheFutureTheworldischangingallthetime.Theenvironmentisgettingworseandworse,airpollutionandwaterpollutionhaskilledanumberofpeople.Worstofall,peopledidn’trealizethedangerofthepollution.Thewaterpollution。Whenthewastegasfromcarsisreleased,theairispolluted.Peoplebreathinginthepollutedaircandeveloprespiratorydisease.Anotherfactoristhatpeoplethrowtheirgarbageeverywhere.Allkindsofgarbagenotonlyspoilthesplendidenvironment,butalsocauseenvironmentalpollution.What'smore,industrialpollutionalsodeservesourattention.Wastewaterfromfactoriesispouredintoriversandthiscauseswaterpollution.Asaconsequence,thegreenhouseeffectbecomesaproblemwhichneedsourimmediatecautionandhowtosolveisurgentallovertheworld.Wedonotwanttosee.水污染的现状从全国总体情况看，废水排放量增长速度极快。预计2000年将达666亿吨。城市生活污水总量也不断增加，2000年约达到783亿吨。由于废水处理事低（估计仅为20%～30%），大部分废水未经处理直接或间接排入水体，严重污染了水资源。我国七大水系中近一半河段污染严重，86%的城市河段水质普遍超标。全国被污染水系，比较严重的是淮河、海河、松花江、辽河、长江中下游以及珠江三角洲等工业比较发达地区。河流的城市段污染明显，小河重于大河，北方重于南方。1990年，在被评价的94个河流城市段中，65个受到不同程度的污染，占69.1%，污染物主要以氨氮、挥发酚和耗氧有机物为主。据调查，全国有7亿人饮用大肠杆菌超标水，1.64亿人饮用有机污染严重的水，3500万人饮用硝酸盐超标水。TheairpollutionwhitepollutionItisaverycommonphenomenonforuswhenwegoshopping,wewillbuywhatweneedindailylifetogetherwithmanyfreeplasticbags,whichweareinclinedtodiscardcasual.Itisaninterestingandbeautifullandscapestoseemanycolorfulplasticbagsflyingintheskyespeciallywhenthereisastrongwind.Andwecalltheseplasticbagswhitepollution.Asweallknow,thewhitepollutionisbecomingmoreandmoreseriousnowadays.Thoughweknowitsbadeffects,stillwefinditdifficulttorefusethem,astheyareveryconvenientforus.Itsourdutytoprotecttheenvironment.Ifeveryonemakesacontributiontoprotectingtheenvironment,theworldwillbemuchmorebeautifulinthefuture.Doyouknowhowtoprotectenvironmentaspossibleaswecan?First,weshouldkeepourschoolyardcleanandtidy.Second,weshouldn'tdropthelitterhereorthere.Third,weshouldgotoschoolbybikeoronfoot.Fourth,weshouldturnoffthelightsandTVwhenweleavehome.Fifth,weshouldn'tspitinpublic.Sixth,weshouldn'tcutdowntreeswithoutpermission.Onthecountryweshouldplanttreesinspringasmanyaspossible.Designby颜长林