1、The earth is polluted. air pollution The factories that burn coal pollute the air with a lot of black smoke. n. 煤炭 Factories put waste into the river. water pollution mobile phone pollution litter v. 乱扔 n. 垃圾 rubbish waste 垃圾，废弃物 People should throw away litter in the bin. n. 垃圾箱 noise pollution The
2、re are more cars on the road. 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. noise pollution _ _ _ _ air pollution _ _ _ _ water pollution _ _ _ _ loud music planes mobile phones factories cars smoking ships factories littering rubbish building houses building houses loud music cars rubbish planes littering ships factories smoking building houses mobile phones
