1, the sky is blue, the grass is green and the heart is pure.

2. Flowers need green leaves, and schools need the care of classmates.

3. Protect the environment, starting with me.

4. Join hands in environmental protection and stay away from white pollution.

5, save a drop of water, the earth is more beautiful.

6. Protecting the ecological environment means taking care of yourself.

7. Build a green campus, with birds singing and flowers fragrant.

8. Limited resources, unlimited uses, and valuable garbage are beneficial to the country and the people.

9, the construction project must carry out environmental impact assessment according to law.

10, you plant a tree, I plant a tree, and together we * * * add green to the campus.

1 1. Improve people's livelihood and enjoy the fruits of water conservancy development.

12, a happy life lies not only in adequate food and clothing, but also in clear water and blue sky.

13, reach out your hand, reach out my hand, and keep the scraps of paper away from our campus.

14, coordination between environment and human survival, resource development and environmental protection.

15, environmental protection hand in hand, quality life heart to heart.

16, if you want a clean and beautiful campus, please keep in mind health and civilization.

17. Water breeds and sustains life on the earth. Who cares about the life of water?

18. Build a green environment and create a beautiful home.

19, plant a tree a year and leave a forest for life.

20. The resources of the earth are limited, and the cause of environmental protection is unlimited.