1. 保护环境，让地球妈妈重绽笑脸。

1. Protect the environment, let our Mother Earth smile again.

2. 环保做不好，生命就难保。

2. If environmental protection is not done well, it will be hard to ensure the safety of life.

3. 爱护小草吧，它是春天的信使。

3. Take care of the little grass, for it is the messenger of spring.

4. 花木有情报春晖，同学爱护喜心扉。

4. Flowering trees herald the arrival of spring, classmates cherish them with joy in their hearts.

5. 为了校园一片绿，珍惜脚下每颗草。

5. To keep the campus green, cherish every blade of grass under your feet.

6. 踏破青毡可惜，多行数步无妨。

6. It's a pity to trample on the green felt, but it's no harm to take a few more steps.

7. 轻轻地我走了，正如我轻轻地来。

7. I left as gently as I came.

8. 同顶一片蓝天，共护一方水土。

8. Under the same blue sky, we protect a piece of land and water together.

9. 保护自然界，关爱家园。

9. Protect the natural world and cherish our homeland.

10. 校园风景线，大家来共建。

10. The campus landscape, let's build it together.

11. 尽心才能干净，干净才能静心。

11. Only with full effort can one achieve cleanliness, and only with cleanliness can one achieve tranquility.

12. 菁菁校园，学习静地。

12. A vibrant campus, a tranquil place for learning.

13. 科技发展无限好，只是地球太难堪。

13. The development of science and technology is infinitely good, but the Earth is too difficult to bear.

14. 希望有一天，垃圾筒也会下岗。

14. I hope one day, the trash bins will also be laid off.

15. 习惯决定成绩，细节决定命运。

15. Habits determine achievements, and details determine destiny.

16. 保护环境，人人戒烟。

16. Protect the environment, everyone quit smoking.

17. 人类善待自然，就是善待自己。

17. Treating nature kindly is treating oneself kindly.

18. 少一个脚印，多一个生命。

18. One less footprint, one more life.

19. 乘阴靠绿树，美化靠大家。

19. Enjoy the shade of green trees, beautify depends on everyone.

20. 学会做人，学会学习，保护自然。

20. Learn to be a good person, learn to study, and protect nature.

21. 环境与生命共存，环保与健康同在。

21. Environment and life coexist, and environmental protection goes hand in hand with health.

22. 芳草依依，大家怜惜。

22. The fragrant grass gently sways, everyone pities it.

23. 大路随你走，别踩在我头。

23. Go your own way, don't tread on my head.

24. 小草对您微微笑，请您把路让一让。

24. The little grass smiles at you, please make way for the path.

25. 同在蓝天下，齐做补天人。

25. Under the same blue sky, let's all be contributors to humanity.

26. 小小一口痰，细菌千千万。

26. A tiny mouthful of phlegm contains thousands of bacteria.

27. 劝君多走几步路，莫把草坪当马路。

27. Advise you to take a few more steps, don't treat the lawn as a street.

28. 保护绿化，爱护公物，从我做起。

28. Protect greenery, cherish public property, start from myself.

29. 红花绿草满园栽，风送花香碟时来。

29. Red flowers and green grass are planted all around the garden, and the wind brings the fragrance of flowers at every turn.

30. 城镇遍植树花草，空气清新公害少。

30. Trees and flowers are planted throughout the town, resulting in fresh air and fewer public hazards.

31. 水光山色与人亲，说不尽，无穷好。

31. The water's luster and the mountains' hues are close to people's hearts, with endless beauty that cannot be fully described.

32. 痰吐在地，辱写在心。

32. Phlegm is spat on the ground, but the insult is written in the heart.

33. 山上郁郁葱葱，山下畜壮粮丰。

33. The mountain is lush and green, and the valley below is rich in livestock and grain.

34. 止住您的脚步，留住一片绿茵。

34. Stop your steps, preserve a patch of green grass.

35. 节约能源做的好，后代子孙没烦恼。

35. Do well in energy conservation, and your descendants will have no worries.

36. 做地球妈妈的好孩子，保护她。

36. Be a good child to the Earth Mother and protect her.

37. 青山清我目，流水静我耳。

37. Green mountains clear my eyes, flowing waters still my ears.

38. 环境你不爱，美景不常在。

38. You don't love the environment, and beautiful sceneries are not always there.

39. 保护地球，就从美化校园开始吧。

39. Start by beautifying the campus to protect the Earth.

40. 请您足下绕一绕，草儿向您笑一笑。

40. Please walk around, the grass will smile at you.

41. 冬至栽竹，立春栽木。

41. Plant bamboo on the Winter Solstice, and plant trees on the Spring Equinox.

42. 爱护绿化，就是保护自己。

42. Caring for greenery is to protect oneself.

43. 创造绿色时尚，拥抱绿色生活。

43. Create green fashion, embrace green living.

44. 保护环境，少说多做。

44. Protect the environment: talk less and do more.

45. 节约能源，人人有责。

45. Energy conservation is the responsibility of everyone.

46. 莫踏青草，勿采红花。

46. Do not trample on the green grass, do not pick the red flowers.

47. 人间知音难觅，校园草坪难培。

47. It is hard to find a kindred spirit in the world, and it is difficult to cultivate a grassy lawn on campus.

48. 如果没有树木，世界将会暗淡无光。

48. Without trees, the world would be dark and lifeless.

49. 娇娇小草，请足下留情。?>

49. Delicate little grass, please show some leniency. ?>

50. 环保都来搞，明天会更好。

50. If everyone participates in environmental protection, tomorrow will be better.

51. 地球是我们，从后代手中借来的。

51. The Earth is a loan from our descendants.

52. 少一个脚印，多一份芳香。

52. One less footprint, one more fragrance.

53. 杨要稀，松要稠，泡桐地里卧群牛。

53. Yang Yaoxi, song yao chou, pao tong di li wo qun niu. (Translation: Yang Yaoxi is thin, song is thick, a group of cows lie in the Paulownia field.)

54. 参与绿色行动，保护美丽家园。

54. Participate in green actions, protect our beautiful homeland.

55. 省一下能源，造福千万年。

55. Save energy for the benefit of thousands of years.