Across
- 2. – Grown without synthetic chemicals.
- 6. – The natural world around us.
- 10. – A site for waste disposal by burial.
- 11. – Decayed organic material used as plant fertilizer.
- 12. – A natural home for a plant or animal.
- 13. – Gone forever, like the dodo.
- 15. – To save or use resources wisely.
- 16. – A protective layer in the atmosphere (also a hole here is a problem).
- 19. – The layer of gases surrounding Earth.
Down
- 1. – A type of resource that naturally replenishes.
- 3. – Type of energy harnessed from sunlight.
- 4. – A way of living that doesn’t deplete resources.
- 5. – A community of living organisms and their environment.
- 6. – The branch of science that studies ecosystems.
- 7. – To contaminate air, water, or land.
- 8. – Pollutants released into the air, often from cars.
- 9. – To process used materials into new products.
- 14. – To protect something from harm or destruction.
- 17. – Trash tossed carelessly on the ground.
- 18. – To creatively reuse old items.