Espanol3, Unidad 4

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Across
  1. 4. efficiency
  2. 6. isolation
  3. 9. energy
  4. 11. to save
  5. 13. renewable
  6. 15. recycle
  7. 16. ecological products
  8. 17. to reduce
Down
  1. 1. to reuse
  2. 2. raw materials
  3. 3. natural environment
  4. 5. location
  5. 7. toilet
  6. 8. sustainability
  7. 10. the green zone
  8. 12. heating
  9. 14. consumption