1. Planting trees will last for a long time.

2. Judge the beauty of heaven and earth and analyze the principles of all things.

3. Protect the beauty of the environment, mountains and rivers, and promote sustainable development.

4. If the environment is destroyed, mankind will perish.

5. Pick up a piece of paper and create a beautiful environment.

6. A beautiful environment is the milk that nourishes all living things.

7. Protecting the environment means protecting productivity.

8. Love the motherland, protect greening, keep clean, and love home.

9. Don’t let dust enter the campus, only let beauty come to my home.

10. Protect our home and make the earth full of green.

11. Save a drop of water every day and own the Pacific Ocean in difficult times.

12. Please don’t disturb the woods to make the air fresher.

13. Establish awareness of the general environment and protect the ecological environment.

14. I am a flower, please love me, don’t pick me.

15. To care for greenery is to protect yourself.

16. The earth is our mother, we must love and protect her.

17. Protecting the environment means cherishing life.

18. To maintain the ecological balance of the earth is to protect the people themselves.

19. Our earth needs everyone’s protection.

20. It is everyone’s responsibility to show mercy and care for the environment.

21. Act quickly to protect the natural ecology!

22. Please be gentle under your feet and don’t hurt a piece of grass.

23. When will the trash can be laid off?