Cleanest, Greenest Cities!

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Across
  1. 1. there is a lot of it and you can get it easily.
  2. 3. something that is released or produced.
  3. 6. it happens many times and often.
  4. 7. to make less.
  5. 9. / this includes buses, trains and ferries for everyone to use.
  6. 13. a city or town.
  7. 14. picture 3
  8. 15. to be innovative and have many new ideas.
Down
  1. 2. money given to an organization, usually a non-profit or charity, to help them do things.
  2. 4. picture 1
  3. 5. you need it and cannot do without it.
  4. 8. it is complicated or detailed.
  5. 10. picture 2
  6. 11. some money that is given to an organization, often by the government, to do something.
  7. 12. very fast.