1. If we all take action to protect the earth's environment, our home will become more beautiful.

2. The survival of human beings is only on the earth. If human beings destroy their homes, they will be homeless.

3. If we don't save water resources, the last drop of water in the world will be people's tears.

4. If the river is clear, the fish can play happily.

5. If everyone doesn't litter and care for nature, we will live in nature healthier and live longer!

6. If there is no air in the world, mankind will perish.

7. Without the great sun, there would be no beautiful and lovely world.

8. Without the green leaves, there would be no beautiful home for us.

9. If we don't cherish water resources, the earth will become a desert, and it will be more difficult for us to survive.

1. If we have a kind heart, people will treat us well and the world will treat us well.

11. Fish can't live without water.

12. If everyone gives a little love, the world will become a better place.

13. Without sunshine and air, there would be no animals, no plants and no humans.