给你一篇经典道地的英文演讲稿,是关于全球气候变暖的.偶觉得这个课题不错的因为现在大家都在讲环境保护.而且是时代讨论比较激烈的课题因为有些人觉得全球气候变暖不是人类所造成的.

　　GlobalWarming

　　Thereislittledoubtthattheplanetiswarming.Overthelastcentury,theplanetstemperaturehasrisenbyaround1degreefahrenheit(0.6ofadegreecelsius).Thewarmestsincethemid1800’swasthe1990s.Thehottestyearsrecordedwere1997,1998,2001,2002,2003.

　　TheUnitedNationspanelonclimatechangeprojectsthattheglobaltemperatureswillrise3-10degreesfahrenheitbythecentury’send-enoughtohavethepolarcapsallbutmelted.Iftheicecapsmelt,avastmajorityofourcountriesborderswillbeunderwater.Monumentsandgreatbuildings,aswellashomesandliveswillbeunderwater,includingNewYorkCity.

　　Sonowweknowwhatsomeofthecausesareforglobalwarming,howcanweasindividualsdoourparttohelpsavetheplanet?

　　Theanswerissimplerthanyoumaythink.Youdon’thavetogomilesawayfromhometoprotest,orspendmassesofmoney.IfyoutrytofollowthefewsimplestepsthatIshallnowgiveyou,youwillhavestartedtohelpusall.

　　Firstly,plantatree.Thiscouldbeeasierthanitsounds.Joinorhelpoutalocalwildlifegroupandasktoplantatree.Trees,whenfullygrown,willhelpkeeptheplanetcooler.Onthesamepoint,youcouldprotestagainstthedemolitionoftherainforests.Thisisthesameprinciple,weneedthetreestocoolourplanetandyettheyarechoppingthemdowntocreateroadsorhomes.

　　Somethingassimpleaswalkinginsteadoftakingthecarwillhelpreducepollution.Aswellasstoppingpollution,youaregivingyourselfexercise,somethingimportantforourbodies.Sothenexttimeyougetintoyourcar,oryourmotorbike,think-doIhavetomakethisjourneybyvehicleorcanIwalk?

　　Whenyouareathome,andyourgettingalittlecold.Putajumperonanddonotadjusttheheating.Theextraheatproducedbyourhomesalsoaffectstheplanet.Sotrywearinganextralayerinwinter.

　　Ifpossible,buyyourfruitandvegetablesfromlocalsuppliers.Andtrytoavoidimportedgoods.Themoreforeignfoodthatweimportthemorepollutionfromaeroplanesandboatsitwillcreate.

　　Keepingtothespeedlimitcanalsohelptheenvironment.Themoreyouspeedthemorepetrolyouaregoingtouse,makingthepollutionhigher.Also,SUV’smakeaboutsixtimestheirownweightinCO2eachyear.Asmallefficientdieselcarcoveringthesamedistancenotonlyusesmuchlessfuel;itmakestwothirdsless.

　　Ifpossibleusesolarenergy,afterallitisfree;allyouneedtobuyistheequipment.Youcangetmuchofyourhotwaterandheatingfromthesunandevengenerateelectricity.

　　Reduce,reuseandrecycle.Onlybuywhatyouneed;don’tstockthecupboardswiththingsyoumayormaynotuse.Reusewhateveryoucan,likecontainersandpaper,andrecyclewhatyoucannotreuse.Itreallyisassimpleasthat.

　　Finallyturningoffunusedsourcesofpowersuchastelevisionsandheaterswillhelptheenvironment,aswellassaveyoumoney.

　　Ifeverybodystucktotheserules,wewouldbedoingagreatthingbyprotectingtheearth.SopleasetakeintoconsiderationwhatIhavesaid,andtrytodoyourpart.Afterall,itwillbeournextgenerationthatwillfeeltheeffects.