1. Burning forests.

2. Cutting down trees for wood.

3. Dischareing chemical pollutants into the environment.

4. Using fertilizers and pesticides for cultivation.

5. Killing endangered animals for fur, skin and food.

6. Hunting or capturing animals for recreation or entertainment.

7. Keeping animals as pets.

A. Killing endangered animals for fur, skin and food should be banned.

B. Keeping animals as pets should be discouraged.

C. Animals should not be captured for recreation and entertainment.

D. Planting trees should be encourased.

E. Decreasing the use of fertilizers and pesticides for farming should be encouraged.

F. Discharging chemical pollutants into the environment should be prohibited.