2. cutting? ___! Guess a word.

(answer: penalty)

turn waste into treasure

4. Small newspapers are very useful.

5. Protect the forest-protect human's own home

6. Protect the earth, starting with me.

7. Don't say you don't care about my tears.

8. Present situation of water environment in China.

9. Research progress of wastewater treatment in developed countries

10. Global measures to prevent ozone hole

1 1. On sustainable development ...

12. Reuse of municipal solid waste and its application prospect

13. The last tear

14 Contemporary environmental benefits.

15 Pursuing green fashion and embracing green life

16 Build a green and warm home * * * Enjoy clear water and blue sky.

17 Good weather starts from environmental protection, and longevity comes from ecological balance.

18 accumulate virtue and do good deeds, benefit future generations, and put environmental protection first.