Across
- 1. Removing forests for development
- 8. Protecting and preserving wildlife and nature
- 10. Condition of the breathability of the air in an area
- 11. Harmful substances introduced into the environment
- 13. The warming of Earth's surface due to gases trapping heat
- 14. Fully of green vegetation
- 15. Very dry, with little or no rainfall
- 16. Conserving an ecological balance without compromising future generations
Down
- 2. Sources of energy that naturally replenish
- 3. Extremely impressive
- 4. Harmful or poisonous byproducts of industry or chemical processes
- 5. Having beautiful natural scenery
- 6. Coal, oil, and natural gas formed from ancient plants/animals
- 7. Total amount of greenhouse gases emitted by humans
- 9. Untouched by human activity
- 12. Waste thrown in public places