The environment

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Across
  1. 4. A natural source of energy that is not depleted by use
  2. 6. Put a seed or plant in the ground
  3. 7. To object against something
  4. 10. The natural environment of an animal or plant
  5. 11. A transparent house where you can grow plants
  6. 12. Preservation and repair of important places
  7. 15. Use up something
Down
  1. 1. Give something to charity
  2. 2. Power
  3. 3. Produce and discharge something, usually gas or radiation
  4. 5. To use again
  5. 6. contaminate with harmful substances
  6. 8. Risky or dangerous
  7. 9. Convert waste into reusable material
  8. 13. To forbid
  9. 14. Material such as coal or oil that is burned to produce power.