1. Don't act on the small evil, and don't act on the small good.

2. Being kind to the earth means being kind to yourself.

3. Let's not litter. If the rubbish is thrown outside, it will pollute the environment. Let's not litter.

4. Leave nothing but footprints, and take nothing away except the scenery.

5. There is a famous saying that garbage is a misplaced treasure.

6. Leave nothing but footprints, and take nothing away except the scenery. The earth is my home, and a clean city depends on everyone.

7. Don't throw a piece of garbage. Happiness lies with you, me and him.

Starting from me, starting from now, take care of our own earth. For serious me to adopt.