Across
- 4. outdoor surroundings
- 7. national park nearby
- 10. destruction of forests
- 12. study of organisms and environment
- 13. National ______ Service
- 14. clean water act abbreviation
Down
- 1. low precipitation
- 2. animals at risk of extinction
- 3. plant scraps
- 5. petrol synonym
- 6. greenhouse gas
- 8. has leaves
- 9. driest biome
- 11. gov. org protecting environment