PollutionMostofustoday(recognizethatenvironmentalpollutionhasbeenagreatlyseriousproblem.lotsofplantstreescorpsaredestroyedbybadair.manyfishdieofpoisonouswater.thousandsofpeoplediefromeatingpoisonedfishorbreathingingas.therefore,environmentalpollutionshouldberesponsibleforthesediseasesthataredisabling,orbringingdeathnotonlytohumanbeings,butalsotowildlife.)Fromabove,wecanfindthatthereasonswhy(environmentarepollutedmoreandmoreseriously)areasfollows.theprimaryreason,Ithink,is(thereasonofharmfulsubstancesintoenvironment.forexample,topreventinsects,farmersmakeuseofgreatamountsofinsecticides,soastohavebumperharvests.however,theypolluteair,waterandland).Second,(thegascomingfromthecarenginesandfactoriesalsomakeenvironmentpollutedbadly).thethirdreasonactuallyis(theresultofagrowingpopulationintheworld.everyday,somuchlitterandwastearepouredoutfromhouses,alsopollutetheenvironment).Thesignificancefor(controllingpollution)notedthatit'shightimethatmoreeffectivemeasuresshouldbetaken.Therefore,(newlawsshouldbepassedtolimittheamountofpollutantsfromfactories.moreover,inthehouseholds,thereisanobviousneedtoreducelitterandwaste.let'smakeourgoodefforts,andtheworldwillbeasaferplacetoliveforus).