ng worse and worse /more and more seriously today. water is polluted, we have no clean water to drink. many trees are cutting down, some animals are getting less and less. some  factories are pouring dirty air into the sky. the population is increasing faster and faster, resources are getting less and less…etc. not only does it affect our lives and health, it also has a great  affection  in the  future. people’s health has been greatly affected by air, noise and water pollution. many people died of diseases. in order to live a better life, something must be done to stop the pollution. it’s our duty to protect our environment. we shouldn’t throw away rubbish everywhere. trees are very helpful and important for us. we should plant more and more trees in order to live better and more healthy in the future.
　　if everyone makes contribution to protecting the environment, the world will become much more beautiful. in a word, if everyone pa

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