global environment

例句：

1. 1.The global warming is a major environmental issue.
   全球变暖是一个主要的环保问题。
2. 2. Globalization has brought many positive changes to our lives.
   全球化给我们带来了许多积极的变化。
3. 3. The global economy is closely linked to the environment.
   全球经济与环境紧密相关。