2. We only have one earth. Under a blue sky, let's take new actions to protect and purify our earth.

Protecting the environment means protecting life.

4. Western development and environmental protection should be given priority.

5. Clean up white pollution for life on earth.

For the happiness of future generations, please cherish the environment.

7. Water is the source of life, and cherishing water resources means cherishing the future of mankind.

8. Protecting the environment is beneficial to the present and the future.

9. Whoever pollutes, controls, develops and protects.

10, let's act together and return home with clear water and blue sky.

1 1. It is urgent to control global warming.

12. Protect the ecological environment and benefit future generations.

13, green leaves and safflower, how can you trample (please don't trample on the lawn).

14, the earth is the home of everything, and * * * comes from the harmony of everything.

15, please be generous and give free animals some space. Being kind to animals means being kind to ourselves.