求一篇关于环保的英语作文 50词左右 用法准确 句子一定要简单哦

I think it's our duty to protect our environment.We should save the water and turn off the light when we leave the room.We shouldn't use plastic bags.We'd better ride a bike or walk instead of taking a car.We should pick up the rubbish and throw it into the dustbin.I believe if everyone makes a contribution to the environment,our world will become more and more beautiful.