我来吧SAVETHEEARTH
Nowdays,environmentpollutionhasbecomeavery(fairly)seriousproblem(nut).Weshouldprotecttheenvironment,because(for)theenvironmentpollutionwoulddamageourliving.
First,wemustplanmoretreesandgrass,protect(safeguard)forestandwildanimals.Second,weshouldprotect(defend)riversandlakesandcleanthem.Third,weshouldprotecttheearthandthenature,intheend,wegetonwellwithnature.
楼主没有题目,我给你加一个拯救地球,另外原文中不污染水资源单独成句实在是很没有意思,建议去掉,太累赘.哦,对拉,括号里的是高级同义词,你看着替换.