1. We must do reforestation around the world mainly in Indonesia

2. We mustn’t cut down trees in the forest.

3. We mustn’t burn out trees in the forest for make new area.

4. We must do cut selected trees.

       Forest also place for animals. So, some ways for preventing diaster above, it can prevent extinct animals, and if the forest around the world are bare, oxygen in this world will be lack. It can also purify air.

       Therefore, we should follow the suggetion above. The suggestion above can make us out from disaster and our life will be more comfortable.