The slogan of protecting the environment is 20 words.

1. Please take care of green, it is the source of life.

It's a pity to step on the green carpet, but it's okay to take a few more steps.

3. Care for every piece of green with love.

4. Take three or five steps, leaving green grass.

The grass is green, please be kind to your feet. Where there is youth, there is everything. Where there is youth, there is a future!

Youth has no limit! !

6. The grass gave me green, and I gave the grass a love.

7. I like flowers, I like grass and I like green saplings.

8. The grass is so tender that everyone sympathizes with it.

9. There is love in your heart and kindness at your feet.

10. The sky is blue, the grass is green and the heart is pure.