Sustainability

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Across
  1. 3. reusing something
  2. 8. cutting down trees
  3. 12. such as bushfire, earthquake and tsunami
  4. 13. ice
  5. 14. solid, nonrenewable source of energy
  6. 15. the power to do something
  7. 16. something you can make more of
  8. 19. using stuff
  9. 20. energy from breaking atoms
Down
  1. 1. rock holding valuable materials
  2. 2. relating to the sun
  3. 4. natural change in climate sped up by human activity
  4. 5. layer between earth and space
  5. 6. movement of water between earth and sky
  6. 7. all sorts of nonrenewable energy
  7. 9. ability to keep going
  8. 10. gases that are bad for the environment
  9. 11. liquid, nonrenewable source of energy
  10. 17. a natural material that we use
  11. 18. adding waste to the water , land and air