1. 家园只有一个地球不能克隆。

1. There is only one Earth, and it cannot be cloned.

2. 跨越新时空，享受新生命。

2. Crossing new time and space, enjoy new life.

3. 楼道整洁，当然有你一份功劳!

3. The corridor is tidy, of course, thanks to your contribution!

4. 十、保护海洋，就是保护自己。

4. Ten, protecting the ocean is protecting ourselves.

5. 愿这方净土，与您的心灵一样纯净。

5. May this pure land be as pure as your soul.

6. 为了人类自己请拯救我们的海洋。

6. Please save our oceans for the sake of humanity itself.

7. 海洋是广大资源的依托，是生命的摇篮，让我们全力以赴保护她吧!

7. The ocean is the依托 of vast resources and the cradle of life; let us spare no effort in protecting it!

8. 人与自然需要和谐共存。

8. Humans and nature need to coexist in harmony.

9. 地球地球我爱你，我们是你的好儿女，保护你是我责任，细心照料我最行!

9. Earth, Earth, I love you. We are your good children, protecting you is our responsibility, and taking good care of you is what we do best!

10. 心动不如行动，去怨不如去干。

10. Actions speak louder than words, and it's better to do something than to complain.

11. 人人播撒绿色美，处处享受环绿美。

11. Everyone spreads green beauty, everywhere enjoys the charm of green surroundings.

12. 十七、发展海洋经济爱护蓝色国土。

12. 17. Develop marine economy and cherish the blue territory.

13. 海洋是万物生灵共同的摇篮。

13. The ocean is the common cradle for all living beings.

14. 五、滴滴水源，不可浪费。

14. Fifthly, water sources should not be wasted.

15. 二、保护海洋，防止赤潮。

15. Secondly, protect the ocean and prevent red tide.

16. 尽心才能干净，干净才能静心。

16. Only by being fully committed can one achieve cleanliness, and only with cleanliness can one achieve tranquility.

17. 让地球远离污染，让绿色走进家园。

17. Keep the Earth away from pollution, let green enter our homes.

18. 人类只有一个地球，我们要保护环境。

18. There is only one Earth for humanity, and we must protect the environment.

19. 学校是我家，绿化靠大家。

19. The school is our home, and greening depends on everyone.

20. “我”是美丽的，“脸”上有“斑”就不漂亮了。

20. "I" am beautiful, but if "my face" has "spots," it is not beautiful anymore.

21. 海洋是万物生灵共同的摇篮，共生共荣来自万物的和谐。

21. The ocean is the cradle for all living creatures, and the coexistence and prosperity come from the harmony of all things.

22. 没有了海洋，人类就无法生存，所以，我们要团结一致，携手保护海洋，我们不能没有他。

22. Without the ocean, humanity cannot survive, so we must unite and join hands to protect the ocean. We cannot do without it.

23. 十五、保护海洋就是保护我们自己。

23. Fifteenth, protecting the ocean is protecting ourselves.

24. 一、保护海洋，人人有责。

24. First, protecting the ocean is the responsibility of everyone.

25. 保护海洋环境是一项必须长期坚持的基本国策。

25. The protection of the marine environment is a fundamental national policy that must be persistently pursued over the long term.

26. 二十六、坚持科学发展，构建和谐海洋。

26. Twenty-six, adhere to scientific development and build a harmonious ocean.

27. 保护海洋环境，造福子孙后代。

27. Protect the marine environment for the benefit of future generations.

28. 与新生活同行，与大自然同居。

28. Walk with the new life, live in harmony with nature.

29. 年6月5日世界环境日主题是：“为了地坏上的生命—拯救我们的海洋”。

29. June 5th marks World Environment Day with the theme: "For Life on Earth — Save Our Oceans."

30. 保护赖以生存的海陆环境需要我们共同的努力!

30. Protecting the marine and terrestrial environments on which we depend requires our collective effort!

31. 十四、蓝色经济，领航绿色生活。

31. Fourteen, Blue Economy, leading the way for green living.

32. 保护海洋环境就是保护自己的生命。

32. Protecting the marine environment is protecting one's own life.

33. 海洋犹如母亲的乳汁，哺育着我们，我们应该保护她。?>

33. The ocean is like the milk of a mother, nurturing us, and we should protect her.

34. 不要让海洋变成世界上最大的臭水沟。

34. Do not let the ocean become the world's largest open sewer.

35. 轻轻地走，正如你轻轻地来，不留下一片纸屑。

35. Walk lightly, as you came lightly, leaving not a single piece of paper屑.

36. 让鱼儿有个美好的家园!

36. Let the fish have a beautiful home!

37. 七、保护动物，你我的职责。

37. VII. Protecting animals, our responsibility.

38. 愿大海永远清澈与辽阔，愿人类更美好!

38. May the ocean remain ever clear and vast, and may humanity be ever more beautiful!

39. 沙化、风尘、赤潮是环境对人类的惩罚。

39. Desertification, dust storms, and red tides are the penalties that the environment imposes on humans.

40. 8世界海洋日校园宣传口号总是很值得人们去采纳。而口号具有很强的宣传指导意义，并且方便记忆，优秀的口号能够迅速传播开来，并且可以在人们当中引起各种共鸣的声音，

40. The campus promotional slogans for the World Oceans Day are always worth adopting. These slogans have strong propaganda and guiding significance, are easy to remember, and excellent slogans can spread quickly, and can evoke various resonant voices among people.

41. 二十三、保持海洋洁净，保持地球平衡。

41. Twenty-third: Maintain the cleanliness of the oceans and maintain the balance of the Earth.

42. 十二、海为画世界，人在城中行。

42. Twelve, the sea is a world of painting, and people walk in the city.

43. 九、让鱼儿有个美好的家园。

43. Nine, let the fish have a beautiful home.

44. 我们只有一个地球，共在一片蓝天下，让我们采取新行动保护和净化我们的地球。

44. We have only one Earth, sharing the same blue sky. Let us take new actions to protect and purify our Earth.

45. 有限的资源，无限的循环。

45. Limited resources, endless cycles.

46. 十一、少一片垃圾，多一片海蓝。

46. Eleven, less a piece of garbage, more a patch of sea blue.

47. 三、保护环境，持续发展。

47. Third, protect the environment and achieve sustainable development.

48. 蓝色的海洋，生命的摇篮，善待它就是珍重自己。

48. The blue ocean, the cradle of life, treating it kindly is to cherish oneself.

49. 保护赖以生存的海陆环境需要我们人类的节制和努力!

49. Protecting the land and sea environments upon which we depend requires human restraint and effort!

50. 保护海洋环境就是保护我们自己。

50. Protecting the marine environment is protecting ourselves.

51. 关爱环境靠大家，清新空气每一天。

51. Caring for the environment is everyone's responsibility, fresh air every day.