1、Planting trees Trees are very helpful and important for us.

1、树对我们人类是多么的重要和有用。

2、Most environmental litigation involves disputes with governmental agencies.

2、许多环保诉讼都涉及与政府机构的争端。

3：The amount of water which is suitable to drink is less and less.

3、适合人类喝的水是越来越少了。

4、Discharge pipes directly take pollutants away from the plant into the river.

4、排泄管道直接将污染物从工厂排入河流。

5、No one can live without water or air.

5、没有人能离开水和空气生存。

6、Care plants,please.

6、请爱护花草。

7、Protecting the environment is every man's responsibility.

7、保护地球环境是每一个人的责任。

8、Be quiet!

8、禁止喧哗。

9、If we don’t save water, the last drop of water will be a tear-drop of us.

9、如果我们不节约水，那么最后一滴水也许会是我们人类的眼泪

10、The protection of trees, that is, to protect themselves.

10、保护树木，就是保护自己。