全球变暖的英语演讲稿范文范例5篇

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

全球变暖的英语演讲稿范文范例5篇全球变暖的副作用是一系列的预警。全球气候变暖会致使冰盖融化、海平面上升。另外,它扰乱了气候模式,导致干旱、严重的风暴甚至飓风。下面给大家分享一些关于全球变暖的英语演讲稿范文,希望对大家有帮助。全球变暖的英语演讲稿范文1Peoplearoundtheworldmayfeelthattheclimatehasbeengettingsteadilywarmerandwarmerinrecentyears.Placeswhichusedtobeabundantinsnowfallhavefrequentlyexperiencedsnowfree(无雪的)winters.Droughtlastslongerinsomedryareas.Peoplefindthatwithoutairconditionerstheycouldhardlyworkorfallasleeponhottersummerdays.ThesideeffectsofglobalwarmingarealarminS.Awarmerglobalclimatemeltstheicecaps,raisingsealevels.Whatismore,itdisturbsweatherpatterns,causingdroughts,severestorms,hurricanes(飓风).Peoplesufferalotfromdisastersrelevanttoglobalwarming.Tostopglobalwarmingweshouldmakeimmediateandcontinualefforts.Wehopethesituationwillsoonchange.Globalwarmingcatchesandholdsourconcern,foritaffectsusandwillaffectourlatergenerations.Wecannotwaitanylonger.Doit.Doitright.Doitrightnow.全球变暖的英语演讲稿范文2Ioftenseeontelevision,networkisnowtheholesoftheearthhasbeendestroyedbyhuman,ifweareindifferenthearttoprotectit,thedestructionoftheearthwillbecompletelyinthenearfuture.Fasterandfaster,withthedevelopmentofhumanscienceandtechnologyscienceandthenegativeeffectgraduallymanifested,thenletmegiveyouafewexamplestoillustratewhyexpertspredictedthattheearthwillbegoneaftersomanyyears.Firstofall,globalwarmingisoneexample,soakinthehotweatherinsummerairconditioningbecomesanewhobby,butwhatdopeopleeverthoughtofairconditioningcanbringnegativeeffect?Gasairconditioningtocontainlargeamountsofmethane,totheoutsideistheleadingcauseofglobalwarminggases,methaneandairconditioningwillwastealotofelectricity,sotrytoavoidusingtheairconditioningorappropriateuse.Anotherreasonisthatcarbondioxide,automobileexhaustandfactorywastegascontainingalargeamountofcarbondioxide,andcarbondioxidearemostlikelytoleadtoglobalwarming.Carsnow,toomuchexhaustseriousaffectournongcough,throatinflammation....AccordingtoconcerningsectionalstatisticChina'spercapitaemissionsofcarbondioxideemissionseveryyear2.51tonsayear!Thechangesintheharshenvironmentaroundus.Moreimportantreasonisthat:reduceforest,farmland,waterdamageandseriouswaterpollution,freshwatersupplyisaproblem,manypartsofthedrafthasbecomeabigproblem.Nowcountriesaremassiveeffort,demanding,andcostsofthesouth-northwaterdiversionproject.Inordertosavetheplanet,peopleallovertheworldshouldbe:don'topenairconditioning,userecycledenvironmentalprotectionbags,don'tuseplasticbags,takethebus,don'tthrowwastebatteries...Suchasthedribsanddrabsinlife.Infact,environmentalprotectionisnotdifficult,aslongasyousupportisthebestgiftyougiveearthenvironmentalprotection,takeaction,thisisapowerfulforce!全球变暖的英语演讲稿范文3Withthedevelopmentofeconomy,moreandmoregreenhousegasesarebeingdischargedintotheair.CO2makesupabout70%ofthegreenhousegases,whichisconsideredtobeoneofthegreatestcausesofglobalwarming.Ithasharmfuleffects,causingthesealeveltoriseandmanynaturaldisasterstostrike.Sowemusttakeeffectivemeasurestosaveourplanet.First,weshouldusemorecleanenergyandlesscoalandoil.Second,weshouldgotoworkonfootorbybusinsteadofdrivingacarifpossible.Third,weshouldplantmoretrees,becauseplantscanturnCO2intooxygen.Moreimportantly,weshouldformthehabitofsavingenergyinourdailylife.全球变暖的英语演讲稿范文4Noone,regardlessofrace,religionornationality,candenythattheworldweliveinisbecomingincreasinglyintolerablebecauseoftheeffectsofglobalwarming.Accordingtomanyexperts,evengreaterimpactsarestillontheway.Therearenumerouscausesforthisproblem.Ononehand,human-relatedemissionsofcarbonintotheatmosphereiscausing,andwillinthefuturecause,significantglobalwarmingaccordingtothetheory.Ontheotherhand,thelackofknowledgeabouttheimportanceofprotectingenvironmenthindersthesolvingoftheproblem.examda.comItisurgentthatimmediateandeffectiveactionsshouldbetakenrightaway.First,moretreesneedtobeplantedtohelpimproveandbeautifytheenvironment.Besides,stricterlawsconcerningglobalwarmingandirresponsibleuseoffuelresourceshavetobeputintoeffectandachievedgoodresults.Inaword,thereisalongwaytogobeforewecantakeacomfortableworldforgrantedagain.全球变暖的英语演讲稿范文5Earth’stemperaturebeginswiththeSun.Roughly30percentofincomingsunlightisreflectedbackintospacebybrightsurfaceslikecloudsandice.Oftheremaining70percent,mostisabsorbedbythelandandocean,andtherestisabsorbedbytheatmosphere.Theabsorbedsolarenergyheatsourplanet.Astherocks,theair,andtheseaswarm,theyradiate“heat”energy(thermalinfraredradiation).Fromthesurface,thisenergytravelsintotheatmospherewheremuchofitisabsorbedbywatervaporandlong-livedgreenhousegasessuchascarbondioxideandmethane.WhentheyabsorbtheenergyradiatingfromEarth’ssurface,microscopicwaterorgreenhousegasmoleculesturnintotinyheaters—likethebricksinafireplace,theyradiateheatevenafterthefiregoesout.Theyradiateinalldirections.TheenergythatradiatesbacktowardEarthheatsboththeloweratmosphereandthesurface,enhancingtheheatingtheygetfromdirectsunlight.Thisabsorptionandradiationofheatbytheatmosphere—thenaturalgreenhouseeffect—isbeneficialforlifeonEarth.Iftherewerenogreenhouseeffect,theEarth’saveragesurfacetemperaturewouldbeaverychilly-18°C(0°F)insteadoft

1 / 8
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功