Across
- 1. to clean
- 3. to plant
- 4. to consume
- 5. to damage/harm
- 10. to preserve
- 11. to contaminate
- 13. to cut down trees
- 14. to reduce
- 15. to hunt
- 16. to kill
- 17. to increase
Down
- 2. to produce
- 3. to protect
- 4. to conserve
- 6. to recycle
- 7. to reuse
- 8. to purify
- 9. to pick up
- 12. to lower
