Across
- 2. Relating to the sun
- 3. Reuse discarded material or objects
- 5. Vanished or no longer living
- 7. Natural home of an animal or plant
- 11. Surroundings in which we live
- 13. Maintain in original or current shape
- 14. Able to be maintained
- 15. Production and discharge of gas or radiation
Down
- 1. To contaminate
- 4. Place where waste is disposed
- 6. Trash in a public place
- 8. Gases surrounding the Earth
- 9. Protect from harm
- 10. Decayed material used as plant fertilizer
- 12. Biological community of interacting organisms