1, there is only one earth. Let's plant trees together!

2. I do it for everyone and for myself.

3. Plant green to protect green and beautify the environment.

Plant a small tree to purify the environment.

5. Plant trees for the benefit of future generations.

6. Everyone should plant trees and beautify their homes.

7. Green is the source and hope of life.

8, more green, more warm.

10, green the motherland and benefit mankind!

1 1, everyone plants trees to green the earth, and flowers bloom everywhere!

12, plant trees for shade and beautify the environment!

13, let's work together to build a green home!

14, let's plant a tree seedling and give the earth a green shade!

15, everyone planted trees to green mountains and rivers, and * * * built a beautiful home together!