Across
- 2. scarcity
- 6. aging
- 8. melting
- 12. togoextinct
- 14. housing
- 15. literacy
- 16. diminish
- 17. improve
- 19. global warming
Down
- 1. enough
- 3. surroundings
- 4. environment
- 5. poverty
- 7. fuels
- 9. sustainable
- 10. link
- 11. refugee
- 13. spill
- 16. trash
- 18. to exhaust