Across
- 1. sort out
- 3. people should try to ...... the amount of waste
- 5. some animal species may soon ......out
- 7. it happens to flowers in spring
- 10. that can be recycled
- 11. we should ...... the environment
- 12. you need it to breathe
Down
- 2. that may die out
- 4. the process of cutting down trees
- 6. many rivers are ...... with plastic and other waste
- 8. to change from solid to liquid
- 9. many scientist warn people about global
- 12. The firefighters put .... the forest fire