Across
- 2. - oxigenate
- 4. - reuse
- 7. - reclaim
- 8. - oil
- 9. - international
- 10. - light
- 11. - planet
- 13. - outporing
- 19. - planthouse
- 20. change - global warming
Down
- 1. - sustainable
- 3. - desertification
- 5. - weather
- 6. - flower
- 12. - weather condition
- 14. - ocean
- 15. - a change
- 16. - wathdoespoolshave
- 17. - evergreen
- 18. - methane