Reference answers:

1. Be merciful and leave green memories behind. It is everyone’s responsibility to care for the environment.

2. Planting trees will last for a long time.

3. Love the motherland, protect greening, keep clean, and love home.

4. Maintaining the ecological balance of the earth is to protect human beings themselves.

5. Protecting the environment means cherishing life.

6. Promote China and love Kunshan. It is everyone’s responsibility to take care of our home.

7. Where there is green, there is life.

8. There is only one earth. If we lose it, where will we find our home?

9. If greening is done well, pollution will be reduced. Garbage is sorted and placed, and the environment is protected.

10. Care for the environment and protect the earth. Let us hold up our hands to support a blue sky.

11. Don’t let tears become the last drop of water on earth!