Environment

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Across
  1. 3. The natural home of plants or animals.
  2. 6. To use resources carefully and avoid waste.
  3. 8. The physical world around us.
  4. 10. Usual weather conditions in an area.
  5. 12. To put a species at risk of disappearing.
  6. 13. To contaminate the air, water, or environment.
  7. 15. Gas produced by plants that humans need to breathe.
Down
  1. 1. Unwanted or thrown-away material.
  2. 2. To keep something safe from harm.
  3. 4. Something thrown away as rubbish.
  4. 5. To process used items into new materials.
  5. 7. A place where animals or plants are protected.
  6. 9. The act of restoring or making clean again.
  7. 11. Waste separation process into paper, plastic, glass, etc.
  8. 14. Natural and chemical-free.