In my opinion, the earth has many environmental problems. The environment of the earth has deteriorated very much now. The cause of the worsening global environment is people. For one thing, it is because people use cars every day. I think that this is a major cause of the deterioration of the global environment. Also, the vehicle exhaust emissions of factories are a big cause, too. I worry about the earth, but I have some ideas to improve the earth. For example, no one should use a car, and everyone should use the train more. I try not to use the car. I believe that the earth became beautiful.
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