protecting our earth_150字

　　Now the environment is much pollution.It is our duty to protect our earth.What should we do?

　　I think, we should find some Protect environment method.First of all, we should ride a bike to go to school by bus. Then, should reduce the use of plastic bags, it is a big pollution. Third, it should be clean before the sewage treatment in the discharge of sewage discharged into the water, and then in the. Sewage has great pollution to the rivers and lakes. Therefore, we should try our best to protect our earth.

　　Our earth will become more beautiful because of our protection.