Ourearthissweatingandsteamingbecauseofthelargepopulationandwarmweather,somepeoplethinkitdoesn’tmatterwhentheearthgetsalittlewarmer.Butwearewrong,iftheearthgetshotter,i...

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　　Pollutionhasbeenaseriousproblemforacertaintimearoundtheworld.Therearemanycausesforit.Transportationisthemainfactorofpollution.Whenthewastegasfromcarsisreleased,theairispolluted.Peoplebreathinginthepollutedaircandeveloprespiratorydisease.Anotherfactoristhatpeoplethrowtheirgarbageeverywhere.Allkindsofgarbagenotonlyspoilthesplendidenvironment,butalsocauseenvironmentalpollution.What'smore,industrialpollutionalsodeservesourattention.Wastewaterfromfactoriesispouredintoriversandthiscauseswaterpollution.Asaconsequence,thegreenhouseeffectbecomesaproblemwhichneedsourimmediatecautionandhowtosolveisurgentallovertheworld.Atpresent,somemeasureshavebeentakentoprevernt.Forexample,peopleclassifythegarbageandsomeisrecycledafterbeingcollected.Peoplearealsoencouragedtousepaperproductsinsteadofplasticproductsbecauseweknowthatourlivingconditionwillbeworseifwekeepignoringthisproblem.AndIbelievewecanpreventpollutionifeveryonemakestheefforts.