Across
- 1. The natural home or environment of an animal, plant organism
- 8. Protects life on Earth from skin, cancer, damage, etc.
- 10. A community of organisms and their physical environment
- 11. Environmental problem caused by harmful substance
- 13. Responsible use of natural resources
- 16. World's biggest body of water
Down
- 2. Diversity of plants and animal species in an environment
- 3. Measure of human demand on nature
- 4. Affects temperature, sea level, ice cover, and biodiversity
- 5. Type of energy that will eventually run out
- 6. Earth's temperature rise due to human activities
- 7. Type of energy that is naturally replenishing
- 9. A gas-to-liquid change
- 12. Process waste materials for reuse
- 14. Layer where most weather occurs
- 15. Environmental destruction caused by clearing forests