13. 拯救地球就是拯救未来Save the earth save the future.

14. 为了地球上的生命，拯救我们的海洋For Life on Earth - Save Our Seas

15. 水-20亿人生命之所系!Water - Two Billion People are Dying for It!

16. Clean & live, or be lazy & die!

17. Our Earth is most Pcious

18. It's not my fault greenhouse gases hate earth!

19. It's everyone's duty to love and protect the environment.爱护和保护环境是每个人的责任和义务。

20. But some people don't care about it.但是有些人却不关心或不在意。

21. The most important question in the world today is pollution.当今世界最重要的话题就是污染问题。

22. The amount of water which is suitable to drink is less and less.适合人类喝的水是越来越少了。

23. Even worse, they pour dirty water in to rivers.更糟糕的是他们排放污水到河流里。

24. They waste a lot of water in their daily life.日常生活中他们浪费很多水。

25. Something must be done to stop the pollution.人类必须采取一些措施来制止污染。