2, friends, wake up, it's not too late to protect the environment from now on.

3. The floor is clean. Please be merciful.

4. Don't let lovely creatures disappear in the hands of our generation

5. Everyone is environmentally friendly, and environmental protection is for everyone.

6. What's in the mountains? There are many white clouds on the cen.

7. Once there is a technological need in society, this need will push science forward more than ten universities. -Engels

8, quiet to cultivate one's morality, frugality to cultivate morality. -Zhuge Liang

9. With green trees, flowers and grass, human life will be more beautiful.

1. Please take good care of every tree, or we will see flooding and barren deserts.

1. Enjoy the wilderness and return to nature.

2. Why do people always leave environmental awareness behind?

3. Economic development should not be at the expense of the environment.

4. A happy life lies not only in ample food and clothing, but also in clear water and blue sky.

5. Don't walk on grass, and don't pick red flowers.

6. The flowers are beautiful. Let's enjoy them.

7. Please don't spit smoke into the sky, it is the smiling face of Mother Earth.

8. Protect environmental sanitation, reduce domestic pollution and build a beautiful home.

9. Take care of our home from ourselves.

1. Looking back at the sages' countries and families in the past, it turned from thrift to extravagance. -Li Shangyin