1. 自然法则就是生活的法则，它是人类最大的教师。——汤因比。

1. The laws of nature are the laws of life, and they are the greatest teachers to humanity. - Toynbee.

2. 把绿色带到世界每一个角落，让绿色流入人们心中。

2. Bring greenery to every corner of the world, let greenness flow into people's hearts.

3. 勿让垃圾在窗外自由落体。

3. Do not let garbage fall freely out of the window.

4. 善待地球就是善待自己。

4. Treating the Earth kindly is treating oneself kindly.

5. 依靠科技进步促进环境保护。

5. Promote environmental protection through the advancement of science and technology.

6. 爱护我们共同的家园地球。

6. Care for our common home, Earth.

7. 自然有其存在的价值和权利，我们应当尊重它、爱护它。——罗素。

7. Nature has its own value and rights to exist; we should respect and cherish it. - Russell.

8. 保护环境，从你我开始。

8. Protect the environment, starting with you and me.

9. 珍惜资源永续利用，绿化环境净化心灵。

9. Cherish resources for sustainable use and green the environment to purify the mind.

10. 请您以宽宏大量之心给生而自由的动物们以自已的空间，善待动物就是善待我们自已。

10. Please show the animals, who are born free, generous space with a magnanimous heart. Treating animals kindly is treating ourselves kindly.

11. 地球不是我们从父母那里继承的，而是从子孙那里借来的。——利希顿堡。

11. The Earth is not something we inherit from our parents, but something we borrow from our descendants. - Lichtenberg.

12. 小草刚钻出地面，请自觉保护弱小。

12. The grass has just emerged from the ground, please protect the weak of your own accord.

13. 只有服从大自然，才能战胜大自然。——达尔文。

13. Only by submitting to nature can one conquer nature. - Darwin.

14. 地球是我们的母亲，我们要爱护她。——陶行知。

14. The Earth is our mother, and we must cherish her. -- Tao Xingzhi.

15. 环境你不爱，美景不常在。

15. If you don't cherish the environment, beautiful scenes are not always present.

16. 为了家园更美，请勿摘花。

16. Please do not pick flowers for a more beautiful home.

17. 把绿色带到世界每个角落，让绿色流入人们心中。

17. Bring greenery to every corner of the world, let green flow into people's hearts.

18. 鲜花还需绿叶扶，学校更需同学护！

18. Flowers still need green leaves to support them, and schools even more so need the protection of classmates!

19. 大地不属于人类，而人类是属于大地的。——卡桑。

19. The earth does not belong to humans, but humans belong to the earth. — Kassan.

20. 由俭如奢易，由奢入俭难。

20. It is easy to go from frugality to extravagance, but difficult to revert from extravagance to frugality.

21. 人与自然需要和谐共存。

21. Humans and nature need to coexist in harmony.

22. 每个人都要保护环境，否则人们会自生自灭。

22. Everyone must protect the environment, otherwise people will survive on their own.

23. 人类不是万物之灵，而是破坏自然的凶手。——法郎士。

23. Mankind is not the master of all things but the culprit of natural destruction. — Flaubert.

24. 为了子孙的幸福，请您珍爱环境。

24. Please cherish the environment for the happiness of future generations.

25. 为了我们自己，也为了我们后代，请保护环境。

25. Protect the environment for ourselves and for our descendants.

26. 每天节约一滴水，难时拥有太平洋。

26. Save a drop of water every day, and have the Pacific Ocean during hard times.

27. 幸福生活不只在于丰衣足食，也在于碧水蓝天。

27. A happy life is not only about having enough food and clothing, but also about clear water and blue skies.

28. 保护环境是一项必须长期坚持的基本国策。

28. Protecting the environment is a fundamental national policy that must be consistently pursued over the long term.

29. 自然赋予我们美的享受，我们应该努力保护自然环境，让自然成为我们永久的财富。——皮卡索。

29. Nature bestows upon us the enjoyment of beauty, and we should strive to protect the natural environment, making it our permanent treasure. — Picasso.

30. 地球只有一个，失去它，我们到哪里去寻找家园。

30. There is only one Earth, and if we lose it, where will we find our home?

31. 带走生活垃圾，保护自然环境。

31. Take away domestic waste and protect the natural environment.

32. 捡起一张纸，创造一个美的环境。

32. Pick up a piece of paper to create a beautiful environment.

33. 给我一份爱，送你一片绿。

33. Give me a love, send you a green.

34. 陆地天空大海，我们都要保护。

34. Land, sky, and sea, we must all protect.

35. 带着欢乐舞步，让风沙停止，让小鸟起舞，让绿色腾飞。

35. With joyful steps, let the sands cease, let the little birds dance, and let the green soar.

36. 草有生命，切勿杀生。

36. Grass has life, do not kill living beings.

37. 小草也有生命，爱惜身边的每一个生命！

37. Every blade of grass has a life, cherish every life around you!

38. 乘阴靠绿树，美化靠大家。

38. Enjoy the shade of green trees, beautify the environment with everyone's effort.

39. 绿化是我们生存的希望，美化是我们做人的根本。

39. Greening is our hope for survival, and beautification is the essence of our being human.

40. 地球是我们从后代手中借来的、环保不分民族，生态没有国界不要旁观，请加入行动者的行列今天节约一滴水，留给后人一滴血。

40. The Earth is a loan from our descendants; environmental protection knows no national boundaries. Ecology has no borders; don't be a spectator. Please join the ranks of activists today. Save a drop of water today, leaving a drop of blood for future generations.

41. 我们不应该忘记，除我们所看到的这个世界之外，还有另外一个世界，那便是存在于我们周围的各种生命形式。——卡夫卡。

41. We should not forget that, besides the world we see, there is another world, that is, the various forms of life that exist around us.—Kafka.

42. 污染环境，害人害已。

42. Polluting the environment is harmful to both people and oneself.

43. 鸟语花香，爱赏共享。

43. Birds chirping and flowers in bloom, lovingly enjoyed together.

44. 环境卫生是我们爱护绿化所迈出的第一步！

44. Environmental hygiene is the first step we take to cherish our greenery!

45. 绿色的校园是今日在也难寻找的地方！——肖伯纳。

45. A green campus is a rare find today! - George Bernard Shaw.

46. 爱护身边的环境，等于爱护自己的生命！

46. Caring for the environment around us is equivalent to caring for our own lives!

47. 人人关心环境质量人人参与环境保护。

47. Everyone cares about environmental quality and everyone participates in environmental protection.

48. 地球是我们自己的家园，所以我们要尊重地球和自然界的一切生命。——曲格平。

48. The Earth is our own home, so we should respect all life on Earth and in nature. — Qu Ge Ping.

49. 保护绿化，爱护公物，从我做起！

49. Protect greenery, cherish public property, start with me!