Across
- 3. natural resource
- 8. acid rain
- 10. environment
- 11. ecology
- 12. conservation
- 14. government
- 17. deforestation
Down
- 1. energy (nuclear, solar)
- 2. solution
- 4. population
- 5. extinction
- 6. container
- 7. law
- 9. contamination (of air; of water)
- 12. can
- 13. ecotourism
- 15. danger
- 16. recycling