英语作文：Population and Environment

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environmentalproblemsarebeingmoreandmoreseriousallovertheworld.forexample,carshavemadetheairunhealthyforpeopletobreatheandpoisonousgasisgivenoffbyfactories.treesonthehillshavebeencutdownandwastewaterisbeingpouredcontinuouslyintorivers.furthermore,whereverwegotoday,wecanfindrubbishcarelesslydisposed.pollutionis,infact,threateningourexistence.theearthisourhomeandwehavethedutytotakecareofitforourselvesandforourlatergenerations.fortunately,moreandmorepeoplehaverealizedtheseproblems.