People polluted the air. The air pollution comes from smoke and dust from traffic、factories、constructions sites、planes、power stations、 nuclear power stations、rubbish burning、cigarettes and so on. People polluted the land. The earth pollution comes from rubbish and many other bad things from factories。Nuclear power stations、people and so on. People polluted the water. The water pollution comes from rubbish、oil、and many other bad things form factories、nuclear power stations、traffic、people and so on. People polluted the earth. But we need a clean home. What should we do? We should plant more trees. We shouldn’t waste electricity. We always take cars, but now, we should walk and ride a bike more. We shouldn’t make too much rubbish and we shouldn’t throw the rubbish on the land or in the water. We shouldn’t waste the water. And we should tell the people to protect the nature. I hate all the factories. They make our only home bad.
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