1. Environmental protection is everyone’s responsibility.

2. Environmental protection is a basic national policy

3. There is only one earth, and human beings should work together in the same boat.

4. The tears in the river are no longer clear, and the hair on the mountains is getting thinner.

5. The earth can meet human needs, but it cannot satisfy human greed.

6. The higher the evolutionary level of a species, the more developed its central nervous system is and the stronger its ability to feel pleasure and pain. Therefore, the higher the sensory ability of individual animals, the more respect they should have.