sustainability and environment

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Across
  1. 4. The practice of protecting and preserving natural resources.
  2. 6. The process of making something suitable for a new use.
  3. 10. The act of using resources wisely to avoid waste.
  4. 11. Energy sources that are replenished naturally, like wind or solar.
  5. 13. The cutting down of trees in large areas.
  6. 14. The variety of different types of life found on Earth.
  7. 15. The process of converting waste into reusable material.
Down
  1. 1. The warming of Earth's atmosphere due to trapped heat.
  2. 2. The contamination of air, water, or soil by harmful substances.
  3. 3. The natural world, including land, air, water, plants, and animals.
  4. 5. The gradual increase in Earth's average temperature.
  5. 7. A species at risk of extinction.
  6. 8. A place where a plant or animal naturally lives.
  7. 9. A gas produced by burning carbon and organic compounds.
  8. 12. A natural fuel formed from the remains of living organisms.