求一篇有关环境保护的英文文献,最好有翻译.
问题描述：
求一篇有关环境保护的英文文献,最好有翻译.
答
We have to protect the environment As the 21st century,we must make the protection of the environment to prevent damage to human again.Because of the destruction of mankind,so that the Earth's biologi...