2. Plant a tree for the benefit of future generations.

3. Plant trees and work hard for a green China.

The grass piled up and the trees turned into forests.

Trees are the best "air purifiers" in cities.

6. Beautiful China, starting from bit by bit, starting from planting trees to protect the green.

7. Planting trees by one person and afforestation by the whole people.

8. Plant a tree of hope and reap happiness.

9. Lucid waters and lush mountains are invaluable assets.

10. Only green is the real wealth on the earth.

1 1. Work together to build a green home.

12. Let the tree of life take root in everyone's heart.

13. Plant trees to help the earth.

14. Castle Peak will not change, green water will flow forever, and the beauty of China will last forever.

15. Green leaves are a kind of happiness.

16. Plant a tree for the future.

17. Clear water and green mountains, breathing freely.

18. Plant a tree to save water.

19. With the participation of the masses, the cause of tree planting is more vigorous.

20. Green development creates a better future.

2 1. Trees have a beautiful green environment and protect ecological guardians.

22. Make our earth green.

23. Small actions make great contributions.

24. Pay attention to environmental protection, starting with planting trees.

25. Green hope paves the way for the future.