.现如今我国的资源严重缺乏,水资源紧缺,森林资源也在大面积的减少,温室效应也随之而来,地球环境受到了前所未有的破坏.像我国的黄土高原,那里沟壑纵横,经常多暴雨,自然灾害频繁发生,水土流失十分严重.黄土高原的治理很困难,没有树木来涵养水源,生活在那里的人民叫苦不迭.我们应从生活中的小事做起,拒绝贺卡,不乱砍乱伐树木,保护树木,不浪费纸张. 　　Nowtheseverelackofresources,theshortageofwaterresources,forestresourcesinlargeareareduction,greenhouseeffectalsosubsequentlyandcome,theearthenvironmenthasbeenhithertounknowndamage.LiketheChineseLoessPlateau,wherethegullyfreely,oftenmorerain,naturaldisasterhappensoften,serioussoilerosion.TheprocessingofLoessPlateauisverydifficult,andnotreestoconservewater,peopleintherepouroutone'sendlessgrievances.Weshouldstartfromthelittlethingsinlife,rejectedcards,notrees,protectthetrees,notawasteofpaper.