As we know，life today has many problems。One of the biggest is environment pollution。Such as water pollution，air pollution，noise pollution，light pollutionand so on。
Water pollution has made our rivers and lakes dirty。It kills our fish and pollutes our drinking water。Noise pollution makes us talk louder and makes us become anyry more easily。Air pollution is the most serious kind of environment pollution。It"s bad for living things in the world。
The earth is our home and we must save it。We can"t throw waste things here and there。We should go to workand school by busorwith our friends in the same car。 Everybody must save the earth。