气候变暖的英文演讲稿5篇.docx

气候变暖的英文演讲稿5篇.docx

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气候变暖的英文演讲稿5篇

气候变暖的英文演讲稿5篇

气候变暖的英文演讲稿1

Peoplearoundtheworldmayfeelthattheclimatehasbeengettingsteadily

warmerandwarmerinrecentyears.Placeswhichusedtobeabundantinsnowfall

havefrequentlyexperiencedsnowfree（无雪的）winters.Droughtlastslongerinsome

dryareas.Peoplefindthatwithoutairconditionerstheycouldhardlyworkor

fallasleeponhottersummerdaysg.

ThesideeffectsofglobalwarmingarealarminS.Awarmerglobalclimate

meltstheicecaps,raisingsealevels.Whatismore,itdisturbsweather

patterns,causingdroughts,severestorms,hurricanes（飓风）.Peoplesufferalot

fromdisastersrelevanttoglobalwarming.

Tostopglobalwarmingweshouldmakeimmediateandcontinualefforts.We

hopethesituationwillsoonchange.Globalwarmingcatchesandholdsour

concern,foritaffectsusandwillaffectourlatergenerations.Wecannotwait

anylonger.Doitrightnow.

气候变暖的英文演讲稿2

Manypeoplebelievethathumanactivityiscausingtheearth’stemperature

torise.Theysaythatthisglobalwarmingwillhavedreadfulconsequencesfor

ourenvironment,suchasdroughtandflooding.

Whatshouldgovernmentsdotohelppreventglobalwarming?

Givereasonsfor

yoursuggestions.

Theearth’stemperatureisrapidlychanging.Asaresulttherehasbeena

lotofclimatechangesuchasheatwaves,droughtsandfloods.Scientists

believethatthisistheresultofhumanactivity,whichispollutingthe

Earth’satmosphere.Thiscouldbecomeadisasterifgovernmentsdonotactto

helppreventglobalwarming.Theycanactinthreeways;bysupportingresearch,

bymakinglawsandbykeepingthegeneralpublicinformed.

Firstly,governmentscansupportresearch.Forexample,theyshould

encouragecompaniestodevelopvehiclesthatcauselesspollution.Theyshould

alsosupportalternativesourcesofelectricityfromwindandwaterratherthan

fromoilandcoal.Aswell,theyshouldsponsorconferencestodiscussthe

effectsofgreenhousegasemissionsandpossiblesolutionstotheproblem.

Secondly,theyshouldmakelawsthatlimittheamountofgreenhousegases

thatcompaniescanemit.Privatecompaniesshouldberewardedforfollowing

theselaws.Theyshouldalsobepunishedforcreatingpollution.

Finally,everybodyisaffectedbyglobalwarming.Therefore,itis

importantthatgovernmentsinvolveindividualsintheproblemsolvingprocess.

Forexampletheyshouldencouragehouseholdstosaveasmuchenergyaspossible

byusingmoreefficientlightbulbsorlesshotwater.Theyshouldalso

encouragethepublictorecycle,andthisshouldbecompulsoryforeveryone.

Anotherwayofsavingenergyisbypublictransportsystems.Governmentsshould

spendmoneyonpublictransporttomakeitaseasyaspossibleforthepublicto

saveenergy.

Insummary,itisclearthattherearealotofthingsthatgovernmentscan

dotopreventglobalwarming.Theyshouldinvolvecompanies,supportscientists

andencourageindividualstoprotecttheplanet.

气候变暖的英文演讲稿3

Afterinvestigation,wefoundthatcausedthemainreasonfortheincrease

ofgreenhousegasesishumanactivity.Carbondioxide,forexample,beforethe

humansocietytorealizeindustrializationintheearly19thcentury,the

concentrationofcarbondioxideintheatmosphereto270partspermillion,and

in1988toriseto350PPM.Atmosphericco2concentrationincreasedthereare

twomainreasons:

first,thedramaticincreaseinpopulationandthedevelopment

ofindustrialization,humansociety,consumptionoffossilfuelshasincreased

dramatically,combustionproducesalargeamountofcarbondioxideintothe

atmosphere,increasetheconcentrationofcarbondioxideintheatmosphere:

secondforestreducestheamountofcarbondioxideabsorbedbyplantsuse,a

speedreductionincarbondioxideisconsumed,alsoleadingtohigher

concentrationofcarbondioxideintheatmosphere.Greenhousegasesthancarbon

dioxide,suchasmethane,CFCS（freon）,nitrogenoxideandsoonalsoneedto

increaseadifferentlevel.

Althoughtherearemanyuncertainties,itisclearthatglobalwarmingon

climate,rainfall,andtheinfluenceofsealevelandtheresultingimpacton

humansettlementsandtheecosystemisextremelycomplex,mustbegiventhe

attentiontheydeserve.Thinkthiskindofinfluenceisirrelevantinthelong

runviewisirresponsible.

Themaincauseofglobalwarming,theatmosphereisdestroyed,serious

pollutionandgreenhouseeffectcausedbyglobalwarmingcouldaffectglobal

warmingwillbringtotheearthandhumancomplexpotentialimpact,both

positiveandtherearealsonegative.Suchastemperatureheight,deputypolar

regionsmaybemoresuitableforhumanhabitation,underappropriateconditions,

higherco2concentrationcanpromotethephotosynthesis,whichplantshavea

higherrateofcarbonsequestration,leadtotheincreaseofplantgrowth,

namelythestimulationeffectofcarbondioxide,whichisthepositiveimpactof

globalwarming.Butcomparedwiththepositiveimpact,thenegativeimpactof

globalwarmingonhumanactivitywillbemorevastandfar-reaching.

气候变暖的英文演讲稿4

Thereislittledoubtthattheplanetiswarming.Overthelastcentury,

theplanetstemperaturehasrisenbyaround1degreefahrenheit（0.6ofadegree

celsius）.Thewarmestsincethemid1800’swasthe1990s.Thehottestyears

recordedwere1997,1998,2001,2002,2003.

TheUnitedNationspanelonclimatechangeprojectsthattheglobal

temperatureswillrise3-10degreesfahrenheitbythecentury’send-enoughto

havethepolarcapsallbutmelted.Iftheicecapsmelt,avastmajorityofour

countriesborderswillbeunderwater.Monumentsandgreatbuildings,aswellas

homesandliveswillbeunderwater,includingNewYorkCity.

Sonowweknowwhatsomeofthecausesareforglobalwarming,howcanwe

asindividualsdoourparttohelpsavetheplanet?

Theanswerissimplerthanyoumaythink.Youdon’thavetogomilesaway

fromhometoprotest,orspendmassesofmoney.Ifyoutrytofollowthefew

simplestepsthatIshallnowgiveyou,youwillhavestartedtohelpus

all.

Firstly,plantatree.Thiscouldbeeasierthanitsounds.Joinorhelp

outalocalwildlifegroupandasktoplantatree.Trees,whenfullygrown,

willhelpkeeptheplanetcooler.Onthesamepoint,youcouldprotestagainst

thedemolitionoftherainforests.Thisisthesameprinciple,weneedthetrees

tocoolourplanetandyettheyarechoppingthemdowntocreateroadsor

homes.

Somethingassimpleaswalkinginsteadoftakingthecarwillhelpreduce

pollution.Aswellasstoppingpollution,youaregivingyourselfexercise,

somethingimportantforourbodies.Sothenexttimeyougetintoyourcar,or

yourmotorbike,think-doIhavetomakethisjourneybyvehicleorcanI

walk?

Whenyouareathome,andyourgettingalittlecold.Putajumperonand

donotadjusttheheating.Theextraheatproducedbyourhomesalsoaffectsthe

planet.Sotrywearinganextralayerinwinter.

Ifpossible,buyyourfruitandvegetablesfromlocalsuppliers.Andtryto

avoidimportedgoods.Themoreforeignfoodthatweimportthemorepollution

fromaeroplanesandboatsitwillcreate.

Keepingtothespeedlimitcanalsohelptheenvironment.Themoreyou

speedthemorepetrolyouaregoingtouse,makingthepollutionhigher.Also,

SUV’smakeaboutsixtimestheirownweightinCO2eachyear.Asmallefficient

dieselcarcoveringthesamedistancenotonlyusesmuchlessfuel;itmakestwo

thirdsless.

Ifpossibleusesolarenergy,afterallitisfree;allyouneedtobuyis

theequipment.Youcangetmuchofyourhotwaterandheatingfromthesunand

evengenerateelectricity.

Reduce,reuseandrecycle.Onlybuywhatyouneed;don’tstockthe

cupboardswiththingsyoumayormaynotuse.Reusewhateveryoucan,like

containersandpaper,andrecyclewhatyoucannotreuse.Itreallyisassimple

asthat.

Finallyturningoffunusedsourcesofpowersuchastelevisionsandheaters

willhelptheenvironment,aswellassaveyoumoney.

Ifeverybodystucktotheserules,wewouldbedoingagreatthingby

protectingtheearth.SopleasetakeintoconsiderationwhatIhavesaid,and

trytodoyourpart.Afterall,itwillbeournextgenerationthatwillfeel

theeffects.

气候变暖的英文演讲稿5

Withthedevelopmentofeconomy,moreandmoregreenhousegasesarebeing

dischargedintotheair.CO2makesupabout70%ofthegreenhousegases,which

isconsideredtobeoneofthegreatestcausesofglobalwarming.Ithasharmful

effects,causingthesealeveltoriseandmanynaturaldisasterstostrike.

Sowemusttakeeffectivemeasurestosaveourplanet.First,weshoulduse

morecleanenergyandlesscoalandoil.Second,weshouldgotoworkonfootor

bybusinsteadofdrivingacarifpossible.Third,weshouldplantmoretrees,

becauseplantscanturnCO2intooxygen.Moreimportantly,weshouldformthe

habitofsavingenergyinourdailylife.

气候变暖的英文演讲稿