nature

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Across
  1. 2. minimises emissions to promote environmental sustainability.
  2. 4. relating to or derived from living matter.
  3. 9. unwanted or unusable materials.
  4. 10. variety of life in an ecosystem.
  5. 11. existence without human intervention or influence.
  6. 12. the weather conditions prevailing in an area in general or over a long period.
  7. 13. layers of gas surrounding the earth.
  8. 15. large area covered chiefly with greenery and undergrowth
Down
  1. 1. supply of materials or assets used to produce value.
  2. 3. organic materials used as a renewable energy source.
  3. 5. decomposed organic material used as fertiliser.
  4. 6. a complex network or interconnected system.
  5. 7. resources that can be replenished naturally over time.
  6. 8. the process of converting waste materials into new materials and objects.
  7. 14. power obtained from renewable, low-impact sources.