Across
- 1. Drought
- 2. Conservation
- 5. Carbon monoxide
- 9. Captivity
- 10. Habitat
- 13. Acid rain
- 14. Threaten
- 15. Extinction
Down
- 1. Volcanic eruptions
- 3. Sinkholes
- 4. Landslides
- 6. Thunderstorms
- 7. Oil spills
- 8. Endangered species
- 11. Poach
- 12. Deforestation