1. Don’t litter the floor.不随地扔垃圾
2. The land to all the people are the essence of the material, and finally, it has been there from the people of the rebate is rubbish these substances.
3. To protect the earth is to protect ourselves.
7. Cameras are forbidden.禁止拍照
8. No Cycling in the School校内禁止骑车
10. Saving oer environment is everyone's duty.
11. It is usually their own surroundings as a form of free merchandise, I do not know any way to cherish and spoil.
12. Care plants,please.请爱护花草
13. Our earth is just our future.
14. Please shut the door after you. 出入请关门。
15. Save water,please.节约用水
16. Turn off the light,please.请随手关灯
19. Handle with Care 小心轻放
20. Protect Public Propety. 爱护公共财物
21. Right side,please.请靠右行
22. Save paper,please.节约用纸
23. Nature is kind of a loving mother, but also a butcher in cold blood.
24. Save on electricity.节约用电
25. Keep Away From Fire 切勿近火
27. Save the earth, Our Only Home.保护地球，我们唯一的家。
29. Please keep off the grass.不要践踏草坪
31. When the sky blue again,the rivers become clean,and the grass is always green,we'll live a healthier and happier life.
32. If we go on polluting water,the last drop of water will be our tears.
33. Not only natural Can not mandatory, but also subject to natural.
