Everyone should protect the environment, otherwise people will be born and die.

12、让绿色看得见，让绿色听得见。

Let green see, let green hear.

13、珍惜水资源，保护水环境，防治水污染。

Treasure water resources, protect water environment and prevent water pollution.

14、捡起片片纸，传递深深情。

Pick up pieces of paper and convey deep feelings.

15、我们梦想一个没有污染的环境。

We dream of a pollution-free environment.

16、踏破青毡可惜，多行数步无妨。

It's a pity to break the blanket. It's OK to take more lines and steps.

17、地球是我家，绿化靠大家。

The earth is my home, greening depends on everyone.

18、花草树木都是宝，没它我就不行了。

Flowers, plants and trees are treasures. I can't do without them.

19、人类只有一个地球，我们要保护环境。

There is only one earth for human beings. We should protect the environment.

20、只有一个地球，人类应该同舟共济。

There is only one earth, and mankind should work together.

21、和大自然心与心的交汇，共创地球美好家园。

With the heart and heart of nature, create a beautiful home for the earth.

22、我是环保小卫士，保护环境，是你我的责任！

I am a small guard of environmental protection. It is your responsibility and mine to protect the environment.

23、尽心才能干净，干净才能静心。

Only with all one's heart can one be clean, and only with cleanliness can one be quiet.