Across
- 4. to waste
- 8. to have a bath
- 10. to walk
- 11. to recycle
- 13. reuse
- 15. to protect
- 16. to consume
- 17. to respect
- 18. to donate
- 19. to separate
Down
- 1. to produce
- 2. to take
- 3. to save
- 5. to switch off
- 6. to have a shower
- 7. to buy
- 9. to save energy
- 12. to look after
- 14. to use
- 20. to reduce