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