GlobalWarmingAtpresent,withthedevelopmentofeconomiesaroundtheworldmayfeelthattheclimateisbecomingmoreandmorewarmer.CO2makesupabout70%ofthegreenhousegases.Itisconsideredtobeoneofthegreatestreasonsofglobalwarming.It’sveryserious,butmanypeoplecan’trecognizethatbecausetheonlythinkaboutthemselves.Theydon’tmindtheclimatebecomingwarmer.Theydon’tmindtheicemelting.Theydon’tmindhowmanyanimalsbecomeextinct.Theydon’tmindhowmanycoastalcitiesbecomeflooded.Theydon’tmind……Theyarewrong.Globalwarmingcanhavemanystronginfluencesforus.Forexample:Globalwarmingwillmaketroublewithphysiology.Peoplewillbecomemoreeasilyillandevenbreednewdiseases.Peoplewillpaymoreandmoremoneyforhealthcarebutmoreandmorepeopledie.Noamountofmoneyoreventhebestdoctors,wllnotbeabletosaveyourlife.Evenifyouaren’tdying,youwillfeelsadandalone.Somanyrelativesandfriends’deathwillmakeyouwanttokillyourself.Globalwarmingwillgivetheairandoceanhugepower.Thusmakinglargeorevensupertyphoons,hurricanes,tsunamisandotherdisasters.Manyhouseswillbedestroyed.Manyplacewillflood.Wewillbefacedwithmoreandmoredisasters,damningmoreandmoremoneyandlife.Risingtemperatureswillnotonlycreatehighersealevel,butalsowillcausedroughts.Large-scaleareaswillbecomearidandthusfoodproductionwillbeless.Wewillbewithoutfood.Peoplearoundtheworldwillfacefoodshortagesandmoreandmorewarwillhappenforfood.Iftemperaturescontinuetorise,animalswillcomeoutofhibernationearly,butwillnothavethefoodsupplynecessarytosurvive.Forexample:Insectswilleatalotofforestsandcropswithnonaturalenemies.Withoutforests,globalwarmingwillbecomemoreandmoresercious,creatingaviciouscycle.Nocrops,meansnohumanfood.Thegreatestofglobalwarmingisaticeagelikeinthemovie“TheDayAfterTomorrow”,thisisascenariothattakeplace.Sowemustdosomethingtoavoidthesethingsfromhappening.First,weshouldusemoreandmorecleanenergyandlessoilandcoal.Second,weshouldgotoworkbybusoronfootinsteadofdriving.Third,weshouldplantmoretrees.Themostimportantpointisweshouldmakeahabitofsavingenergyineverydaylife.绝对是原创,你可以从我这400多字里选选改改,变成成自己的第一段是原因,最后一段是因该怎么做,120词的话,你也可以就看看这两段

　　麻烦采纳,谢谢!