L'Energie

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Across
  1. 2. petrol
  2. 3. biodegradable
  3. 6. heating fuel
  4. 8. solar
  5. 9. insulation
  6. 14. resources
  7. 15. carbon
  8. 17. to switch off
  9. 18. windmill
  10. 20. to exhaust
  11. 21. to switch on
Down
  1. 1. the heating
  2. 2. powerstation
  3. 4. geothermal
  4. 5. disposal
  5. 7. hydro electric power
  6. 10. dam
  7. 11. tidal
  8. 12. gas
  9. 13. to be sufficient
  10. 16. renewable
  11. 19. the consumption