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