"环境"用英语说为"environment".
"environment"这个词来源于拉丁文"environare"，意思是"围绕着"或"周围的事物".
例句:
The environment is important for our survival. (环境对我们的生存很重要)
Pollution is a major problem for the environment. (污染是环境的一个主要问题)
We need to take steps to protect the environment. (我们需要采取措施来保护环境)