1.March 12 arbor day, everyone will plant small trees, one tree, two trees, three or four trees. After planting, fertilization can make young trees grow into big trees, and everyone can do it. Greening the earth is everyone's responsibility.

2. More green leaves, more warmth.

Tree planting should be done in the next generation.

4. plant trees, and the trees are shaded.

5. One tree, two trees and three trees have all become pillars.

6. Qian Shan Wanshui is a treasure house; Wanqing green marine biological bank.

7. Planting trees for shade every year and planting trees from generation to generation.

8. The Great Wall of Wan Li defends against foreign enemies, and the Great Green Wall benefits mankind.

9. Two trees make a forest and dye mountains and rivers. Although the only seedling is green, how can it resist the wind and sand?

10. Variety of trees, extensive afforestation, raising trees now, and raising people from trees later.