以关爱地球,保护环境为话题写一篇在报刊上发表的英语作文,80~100词,

What do we smell and look every day?Dirty air,dirty river and so on.We know the earth is polluted very seriously.So we must do something to protect the earth.We can plant more trees to improve the air.We shouldn't throw rubbish anywhere.We should do the save water.