Across
- 1. excessive grazing
- 4. a society's aspects
- 9. not depleted when used
- 11. to be maintained
- 12. collective habitats
- 14. production of something
- 15. liquid to gas
- 16. to prey
- 17. machine used to convert manure to energy
Down
- 2. to regulate something
- 3. traps heat
- 5. to drive animals into a specific area
- 6. abnormally dry
- 7. dried out by heat
- 8. particular area is pollution free
- 10. to move from one place to another
- 13. to originate from