1、noise pollution Pollution Kinds of pollution 1a Lets discuss! Discuss 1a in groups and write down the words that related to the pollution in the box. noise pollution _ _ _ _ air pollution _ _ _ _ water pollution _ _ _ _ loud music planes ships cars mobile phones factories cars smoking ships factorie
2、s littering rubbish building houses building houses loud music cars rubbish planes littering ships factories smoking building houses mobile phones v.乱扔 n.垃圾；废弃物 What caused ? Factories put waste into the river. What pollution? How should it be solved? We should close down the small factories. What caused ? The cars made too much noise. take buses walk to school How should it be solved?
