3分钟关于全球变暖的英语演讲稿.docx

3分钟关于全球变暖的英语演讲稿.docx

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3分钟关于全球变暖的英语演讲稿

3分钟关于全球变暖的英语演讲稿

　　3分钟关于全球变暖的英语演讲稿1

　　InrecentyearsdoyouthinktheweathersuddenlyturnedhothadthecoolautumnnowalmostuntilearlyOctoberthehottestdayinAugusthasreachedmorethan40degrees.Theseisdifferentfromnormalvisionwehaveourselvestoblamethecurse.

　　Todaytheterm"globalwarming"hasgraduallypenetratedintoourlife.Thewordsoundsveryacademicevenfeelveryfarawayfromussosomepeoplearenot.Infacttheeffectsofglobalwarmingisbeyondourimagination:

globalprecipitationredistributionglaciersandpermafrostmeltrisingsealevelsandsoon.Bothharmthenaturalecosystembalancemorethreateninghumanfoodsupplyandlivingenvironment.

　　Nowthatyouhaveawareofthedangersofglobalwarmingyoushouldgotopredictandimproveit.Imagineifglobalwarmingismeltinginthe21stcenturytheglobalaveragetemperaturerisinggraduallysothenextsuperstormsthenextroundofsearingheatthenextmajornaturaldisasterswillhappen?

China?

TheUnitedStates?

Japan?

Nooneknows.Thedebatehasended.Scientistsaroundtheworldagreepointsoutthattheearthsaveragetemperaturehasincreasednearly1℃.Duetoalltheearlywarninginformationhumanuseofthousandsofshipstensofthousandsofthemonitoringstationsofthelandandouterspacesatellitetomonitortheearthtogether.Scientistswillhavethemostadvancedcomputerdatainputmodeltoestimatetheearthcanfacethefuture.Predictionresultsareworrying.FortyyearslatertheHimalayanglaciersthewatertothesurvivalofmillionsofpeoplearelikelytodisappear.TheGreenlandicesheetcouldmeltin50years.Currentlyhalfoftheworldsbiodiversityintheamazonrainforestbuttherainforestislikelytoturnintoapieceofbarrenlandbytheendofthecentury.Islikelytobethefutureoftheworldlikeinthemovie"thedayaftertomorrow"tornadoicefracturethetemperaturefellsharplyicestormsfreezingrainearthquakefloodtsunamivolcaniceruption...Thisisnotacrazyfantasyifhumansdontstopdestroyingtheenvironmentitwillbecomeareality!

　　Howeverinthewarmingisalsogood.Globalwarmingonriceinheilongjiangprovincehasplayedalargerole.

　　Justglobalwarmingtohumanfuturedevelopmentisstillthedomoreharmthangood.

　　Inordertosavetheplanetweshouldtrytobe:

dontopenairconditioninguserecycledpaperenvironmentalprotectiontoleavethemeatwithnitrousoxidedontuseplasticbagsR22bybus;R22;Littledropsoflife.Actuallyitsnotdifficulttoenvironmentalprotectionaslongasyousupportenvironmentalprotectionisthebestgiftyougavetheplanet.

　　Thankyouall!

　　3分钟关于全球变暖的英语演讲稿2

　　Manypeoplebelievethathumanactivityiscausingtheearth’stemperaturetorise.Theysaythatthisglobalwarmingwillhavedreadfulconsequencesforourenvironment,suchasdroughtandflooding.

　　Theearth’stemperatureisrapidlychanging.Asaresulttherehasbeenalotofclimatechangesuchasheatwaves,droughtsandfloods.Scientistsbelievethatthisistheresultofhumanactivity,whichispollutingtheEarth’satmosphere.Thiscouldbecomeadisasterifgovernmentsdonotacttohelppreventglobalwarming.Theycanactinthreeways;bysupportingresearch,bymakinglawsandbykeepingthegeneralpublicinformed.

　　Firstly,governmentscansupportresearch.Forexample,theyshouldencouragecompaniestodevelopvehiclesthatcauselesspollution.Theyshouldalsosupportalternativesourcesofelectricityfromwindandwaterratherthanfromoilandcoal.Aswell,theyshouldsponsorconferencestodiscusstheeffectsofgreenhousegasemissionsandpossiblesolutionstotheproblem.

　　Secondly,theyshouldmakelawsthatlimittheamountofgreenhousegasesthatcompaniescanemit.Privatecompaniesshouldberewardedforfollowingtheselaws.Theyshouldalsobepunishedforcreatingpollution.

　　Finally,everybodyisaffectedbyglobalwarming.Therefore,itisimportantthatgovernmentsinvolveindividualsintheproblemsolvingprocess.Forexampletheyshouldencouragehouseholdstosaveasmuchenergyaspossiblebyusingmoreefficientlightbulbsorlesshotwater.Theyshouldalsoencouragethepublictorecycle,andthisshouldbecompulsoryforeveryone.Anotherwayofsavingenergyisbypublictransportsystems.Governmentsshouldspendmoneyonpublictransporttomakeitaseasyaspossibleforthepublictosaveenergy.

　　Insummary,itisclearthattherearealotofthingsthatgovernmentscandotopreventglobalwarming.Theyshouldinvolvecompanies,supportscientistsandencourageindividualstoprotecttheplanet.

　　3分钟关于全球变暖的英语演讲稿3

　　globalwarmingthegradualincreaseofthetemperatureoftheearthsloweratmosphereasaresultoftheincreaseingreenhousegasessincetheIndustrialRevolution.

　　Thetemperatureoftheatmosphereneartheearthssurfaceiswarmedthroughanaturalprocesscalledthegreenhouseeffect.Visibleshortwavelightcomesfromthesuntotheearthpassingunimpededthroughablanketofthermalorgreenhousegasescomposedlargelyofwatervaporcarbondioxidemethanenitrousoxideandozone.Infraredradiationreflectsofftheplanetssurfacetowardspacebutdoesnoteasilypassthroughthethermalblanket.Someofitistrappedandreflecteddownwardkeepingtheplanetatanaveragetemperaturesuitabletolifeabout60°F（16°C）.

　　GrowthinindustryagricultureandtransportationsincetheIndustrialRevolutionhasproducedadditionalquantitiesofthenaturalgreenhousegasespluschlorofluorocarbonsandothergasesaugmentingthethermalblanket.Itisgenerallyacceptedthatthisincreaseinthequantityofgreenhousegasesistrappingmoreheatandincreasingglobaltemperaturesmakingaprocessthathasbeenbeneficialtolifepotentiallydisruptiveandharmful.Duringthepastcenturytheatmospherictemperaturehasrisen1.1°F（0.6°C）andsealevelhasrisenseveralinches.Someprojectedlonger-termresultsofglobalwarmingincludemeltingofpolaricewitharesultingriseinsealevelandcoastalflooding;disruptionofdrinkingwatersuppliesdependentonsnowmelts;profoundchangesinagricultureduetoclimatechange;extinctionofspeciesasecologicalnichesdisappear;morefrequenttropicalstorms;andanincreasedincidenceoftropicaldiseases.

　　ImprovedautomobilemileagereforestationprojectsenergyefficiencyinconstructionandnationalsupportformasstransitareamongrelativelysimpleradjustmentsthatcouldsignificantlylowerU.S.productionofgreenhousegases.Moreaggressiveadjustmentsincludeagradualworldwideshiftawayfromtheuseoffossilfuelstheeliminationofchlorofluorocarbonsandtheslowingofdeforestationbyrestructuringtheeconomiesofdevelopingnations.In20__theBushadministrationproposedseveralvoluntarymeasuresforslowingtheincreaseininsteadofreducingemissionsofgreenhousesgases.

　　3分钟关于全球变暖的英语演讲稿4

　　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.