Sustainable cities

Edit Answers
12345678910111213141516171819202122
Across
  1. 4. (No pollution)
  2. 5. (The big picture)
  3. 6. (Working together)
  4. 8. (The ground beneath us)
  5. 9. (The color of our city)
  6. 10. (Our energy source)
  7. 12. (Our green friends)
  8. 13. (A place you can walk safely)
  9. 14. (Natural brightness)
  10. 15. (Green transport)
  11. 17. (Top of a building)
  12. 18. (Natural cooling)
  13. 20. (Green open space)
  14. 21. (every thing can be used again)
  15. 22. (Where we move)
Down
  1. 1. (A way to walk)
  2. 2. ( Generate electricity from air)
  3. 3. (Generate electricity from sun)
  4. 5. (Part of the nature)
  5. 6. (Don't throw away)
  6. 7. (Active play)
  7. 8. (What shade feels like)
  8. 10. (Best way to move)
  9. 11. (Building structure)
  10. 12. (Our flying neighbors)
  11. 13. (Moving air)
  12. 16. (A place to rest)
  13. 18. (Life for the plants)
  14. 19. (Beautifying the city)
  15. 20. (Where things grow)