environment的形容词形式是什么

　　例句：

　　Children need a caring environment.

　　儿童需要一个充满关怀的环境。

　　The environment has become a very hot issue.

　　环境已成为很热门的话题。

　　She works in a predominantly male environment.

　　她在一个男性居多的环境里工作。