1. The sky is the cradle of warmth. Stop blowing smoke into the sky and making the earth sad. The grass is a beautiful carpet. Stop throwing debris and embarrassing the earth!

2. Animals are our friends, and protecting animals means protecting ourselves.

3. Protecting the environment starts from a young age; beautifying the environment is everyone’s responsibility.

4. There is only one earth. If we lose it, where will we find our home?

5. Flowers decorate the world with beauty, and we beautify the campus with actions!

6. Pay attention to social ethics and protect the public environment.

7. Be ashamed of abusing water and be proud of saving water.

8. Make the water clearer, the sky bluer, the flowers more beautiful, and our earth more beautiful.

9. Green consumption, green consumption.

10. Plant trees in front of and behind your door, and grow potted flowers on your indoor balcony. Health and happiness will come to your home.

11. With blue sky and white clouds, we will create a green home.

12. Plant a small green tree and give me a blue sky.

13. Protect environmental sanitation, reduce domestic pollution, and build a beautiful home.

14. A piece of paper picked up by chance purifies one's own spirit; a stain wiped off intentionally purifies one's soul.

15. Blindly plundering and conquering nature will only destroy the ecosystem, take away freedom, and put people on the verge of trouble.

16. Participate in green actions and protect our beautiful home.

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

18. Protect our environment, be China!

19. Contribute to a green environment and make Mother Earth more beautiful.

20. To save water, please start from around you.

21. Let white pollution disappear forever!

22. It is urgent to protect the environment.

23. Nature is not mixed with even a trace of human feelings. Whoever resists it will be kicked away; whoever submits to it will inherit its grace. ——Hantaro Nagaoka

24. Protecting the earth is equal to protecting yourself.

25. Let’s do it together: care about the collective, take care of public property, and protect the environment!

26. We have turned our backs on nature. She had guided us so accurately and appropriately, but I wanted to use her teachings to teach her a lesson. ——Montaigne