Across
- 2. To introduce something new, especially in technology.
- 6. Surroundings or conditions in which a person, animal, or plant lives or operates.
- 13. H2O.
- 14. Capable of being decomposed by bacteria or other biological means.
- 15. Short for ecological or ecosystem.
Down
- 1. To make new again.
- 3. The goal of improving system.
- 4. Could refer to vegetation or a manufacturing site.
- 5. Decayed organic material used as a plant fertilizer.
- 7. The process of converting waste into reusable material.
- 8. To support ecological balance and avoid depletion of resources.
- 9. Pertaining to water, often used as a prefix.
- 10. Related to energy production.
- 11. The color associated with earth day.
- 12. Energy derived from organic materials.