3分钟关于全球变暖的英语演讲稿Word下载.docx
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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.