假如你是李华,你们学校在开展"世界与环境"的主题活动。学校校刊英文版征集有关环境保护的文章。请你用英语写一篇短文,谈谈现在的环境问题,作为学生的我们应该如何保护环境以及保护环境的重要性。

提示词语:factory, river, reuse, turn off, try one's best

提示问题: What are the pollution problems?

What should we do as students?

Why is it important to protect the environment?

    As we know, the environment around us is getting worse and worse.