1. Planting trees will last for a long time.

2. Use your hands well, there will be no place for garbage to escape.

3. Appreciate the wilderness and return to nature.

4. The grass is sleeping, please do not disturb it by entering the lawn.

5. Welcome green resources and send away waste gas pollution.

6. To support a beautiful home is to own a valuable asset.

7. Water is the origin of all life.

8. Raise environmental awareness and protect a beautiful home.

9. What is there in the mountains? There are many white clouds on the mountains.

10. Smoking one less cigarette and planting one more tree.