Haveyouevernoticedthattheglobaltemperaturehasbeengettinghigherandhigher?Haveyouseenthatthesealevelisrisingcontinuously?Haveyouheardthatthepolarbearsarecryingfortheirlosinghomeandfood?Likeotherlivesandspecies,ourhumanbeingshaveonlyoneearth,onehomeland.Ifwedon’tprotectandtreasureit,finallywewilldestroyandloseit.Fortunately,inourworld,therearealargenumberofpeopleadvocatingalow-carbonlifetochangethelivingwayandholdbackthepollution. 　　Lowcarbonlifemeanslowenergyandnowaste,whichisanewlifestyletosaveourresources.Itcanendowusandoursocietywithnumerousbenefits.Firstly,itcontributesalottotheenvironmentalprotectionanditisanefficientwaytoslowdowntherateofclimatechange. 　　Secondly,low-carbonlifecanprotecttherareanimalsofArctic,suchasseals,penguinsandpolarbears.Actually,whenwepreserve（改为save好些）theearthandthespecies,wearealsoprotectingourselves. 　　x09Lowcarbonlifeissuchasignificantprojectthatweshouldtakemeasurestopromoteit.Ihavethefollowingsuggestions: 　　Firstofall,weshouldcontroltheuseofprivatecars,whichcanreleasealargesumofcarbondioxidetotheearth.Instead,wecanchooseridingabikeasavehicle. 　　What’smore,wearesupposedtodecreasetheuseofdisposablesupplies,suchasthedisposablechopsticksandthrow-awaylunchboxes.Onthecontrary,wecanusethereusableitems.Forexample,wecanuseabaginsteadoftheplasticbagwhenwegoshopping. 　　Finally,asastudent,weoughttosavetheenergyandresourcesinoursurroundings.Wecanturnoffelectricalapplianceswhenwedon’tneedthem.Wecanusethewastepaperasthedraftpaper.Wecanchangetherubbishandreuseit. 　　Inaword,allofusshouldtaketheresponsibilitytoprotectourenvironmentandreducethepollution.Low-carbonlifeisnothingbutthebestchoiceforusandonlyinthiswaycanwebuildaharmoniousrelationshipwithenvironment. 　　Commentsandtips: 　　Firstofall,Ishouldsaythatthisisaverywell-writtenspeechforitsgeneraltopic,broadcoverageaswellasgoodexplanationwithaclearline. 　　Well,asitiswell-written,itmightnotbeverysuitableforspokenform,itwouldbeadvisablethatyoucouldchangeitintosomethingmorecolloquial(请稍微注意一下怎样更适合演讲的口气,注意文体和演讲起来的感觉). 　　Bytheway,couldyouadoptsomestoriesorexampleshappeningarounduslikeasacollegestudent,whatwecandoonourcampustosupporttheideaoflow-carbonlife,whatismore,asatouristcity,whatCongHuahasdonetocatertolow-carbonlife,forexample,CongHuahasbuiltthegreenbicyclepathsorlanes(绿色自行车道).