Across
- 1. reforestation activities?
- 4. energy sources from the sun?
- 5. harmaful gases from vehicles?
- 7. wastewater from waste?
- 9. earth's protective layer?
- 10. water falling from?
- 11. what is habitat for living things?
- 12. what is polluted air called
- 14. animals losing their homes?
Down
- 2. saving natural resources?
- 3. disasters caused by excessive waste?
- 6. illegal logging?
- 8. landfills?
- 13. biodegradanle waste?