环境问题用英文怎么说怎么写

Environmental issues.

环境问题用英文可以说成 "environmental issues" 或者 "environmental problems"。写法可以是：
1. Environmental issues are a major concern for our planet. 2. The problems associated with environmental degradation are becoming increasingly apparent. 3. Climate change is one of the most pressing environmental issues of our time. 4. Air pollution in cities like Beijing has reached critical levels. 5. Protecting natural habitats is essential to addressing environmental problems.