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Taking care of our environment is very important. It is well-known that man,as well as living things,can’t live without water or air. However,many factories pour waste water directly into the rivers or lakes. They also give out a lot of smoke directly into the air. Some people throw rubbish everywhere. So our environment is getting worse and worse. Polluted water or air is harmful to us all.
It is our duty to keep our environment clean and tidy. We shouldn’t throw about waste things. We must plant many trees,flowers and grass. If everyone protects the environment,the world will become more beautiful.