Across
- 3. to turn off
- 6. ecological products
- 7. raw materials
- 8. to reduce
- 9. recycle
- 12. to light
- 15. to reuse
- 16. natural environment
- 18. to be missing
- 19. to rinse
Down
- 1. self-construction
- 2. power outage
- 4. both
- 5. natural resources
- 10. to work
- 11. to save
- 13. consumption
- 14. to move away
- 17. certification