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.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
人类活动导致了全球气温上升.地球的温度正在迅速改变.导致很多气候变迁,如热浪.干旱和洪水.科学家认为这是人类活动污染了地球的大气层的结果.下面给大家分享一些关于气候变暖的英文演讲稿,希望对大家有帮助.
气候变暖的英文演讲稿1
Peoplearoundtheworldmayfeelthattheclimatehasbeengettingsteadily
warmerandwarmerinrecentyears.Placeswhichusedtobeabundantinsnowfall
havefrequentlye_periencedsnowfree(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.Fore_ample,theyshould
encouragecompaniestodevelopvehiclesthatcauselesspollution.Theyshould
alsosupportalternativesourcesofelectricityfromwindandwaterratherthan
fromoilandcoal.Aswell,theyshouldsponsorconferencestodiscussthe
effectsofgreenhousegasemissionsandpossiblesolutionstotheproblem.
Secondly,theyshouldmakelawsthatlimittheamountofgreenhousegases
thatcompaniescanemit.Privatecompaniesshouldberewardedforfollowing
theselaws.Theyshouldalsobepunishedforcreatingpollution.
Finally,everybodyisaffectedbyglobalwarming.Therefore,itis
importantthatgovernmentsinvolveindividualsintheproblemsolvingprocess.
Fore_ampletheyshouldencouragehouseholdstosaveasmuchenergyaspossible
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.Carbondio_ide,fore_ample,beforethe
humansocietytorealizeindustrializationintheearly_thcentury,the
concentrationofcarbondio_ideintheatmosphereto270partspermillion,and
in_88toriseto350PPM.Atmosphericco2concentrationincreasedthereare
twomainreasons:
first,thedramaticincreaseinpopulationandthedevelopment
ofindustrialization,humansociety,consumptionoffossilfuelshasincreased
dramatically,combustionproducesalargeamountofcarbondio_ideintothe
atmosphere,increasetheconcentrationofcarbondio_ideintheatmosphere:
secondforestreducestheamountofcarbondio_ideabsorbedbyplantsuse,a
speedreductionincarbondio_ideisconsumed,alsoleadingtohigher
concentrationofcarbondio_ideintheatmosphere.Greenhousegasesthancarbon
dio_ide,suchasmethane,CFCS(freon),nitrogeno_ideandsoonalsoneedto
increaseadifferentlevel.
Althoughtherearemanyuncertainties,itisclearthatglobalwarmingon
climate,rainfall,andtheinfluenceofsealevelandtheresultingimpacton
humansettlementsandtheecosystemise_tremelycomple_,mustbegiventhe
attentiontheydeserve.Thinkthiskindofinfluenceisirrelevantinthelong
runviewisirresponsible.
Themaincauseofglobalwarming,theatmosphereisdestroyed,serious
pollutionandgreenhouseeffectcausedbyglobalwarmingcouldaffectglobal
warmingwillbringtotheearthandhumancomple_potentialimpact,both
positiveandtherearealsonegative.Suchastemperatureheight,deputypolar
regionsmaybemoresuitableforhumanhabitation,underappropriateconditions,
higherco2concentrationcanpromotethephotosynthesis,whichplantshavea
higherrateofcarbonsequestration,leadtotheincreaseofplantgrowth,
namelythestimulationeffectofcarbondio_ide,whichisthepositiveimpactof
globalwarming.Butcomparedwiththepositiveimpact,thenegativeimpactof
globalwarmingonhumanactivitywillbemorevastandfar-reaching.
气候变暖的英文演讲稿4
Thereislittledoubtthattheplanetiswarming.Overthelastcentury,
theplanetstemperaturehasrisenbyaround1degreefahrenheit(0.6ofadegree
celsius).Thewarmestsincethemid_00’swasthe_90s.Thehottestyears
recordedwere_97,_98,_,_,_.
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,youaregivingyourselfe_ercise,
somethingimportantforourbodies.Sothene_ttimeyougetintoyourcar,or
yourmotorbike,think-doIhavetomakethisjourneybyvehicleorcanI
walk?
Whenyouareathome,andyourgettingalittlecold.Putajumperonand
donotadjusttheheating.Thee_traheatproducedbyourhomesalsoaffectsthe
planet.Sotrywearingane_tralayerinwinter.
Ifpossible,buyyourfruitandvegetablesfromlocalsuppliers.Andtryto
avoidimportedgoods.Themoreforeignfoodthatweimportthemorepollution
fromaeroplanesandboatsitwillcreate.
Keepingtothespeedlimitcanalsohelptheenvironment.Themoreyou
speedthemorepetrolyouaregoingtouse,makingthepollutionhigher.Also,
SUV’smakeaboutsi_timestheirownweightinCO2eachyear.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,itwillbeourne_tgenerationthatwillfeel
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,
becauseplantscanturnCO2intoo_ygen.Moreimportantly,weshouldformthe
habitofsavingenergyinourdailylife.
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