Humanities Super-Knowledge Crossword

12345678910111213141516171819202122232425
Across
  1. 2. This can become a problem in badly policed cities
  2. 5. The way many cities dispose of their rubbish
  3. 6. Reducing the number of these has many benefits for air quality
  4. 7. More people will live in these sorts of housing in the future
  5. 8. A new sort of architecture that blends in with the earth.
  6. 10. By 2025, this many people will live in megacities
  7. 12. Snow that is contaminated
  8. 16. Too much noise, or constant noise in a city area
  9. 17. When sulphur dioxide and nitrous oxide mixes with rain
  10. 18. A thick haze of exhaust that hovers over cities
  11. 22. The name given to the warming effect of some gases
  12. 23. The study of the land and its relationship to people
  13. 25. Reducing this means things are closer together
Down
  1. 1. The environment that most humans will live in by 2050
  2. 3. A city in Dubai built on sustainable lines
  3. 4. A classic environmental sci-fi movie released in 1972
  4. 9. This gas is a major contributor to global warming
  5. 11. Gardens situated on the rooftop spaces of buildings
  6. 13. A way of mapping temperature changes from rural to urban
  7. 14. The name given to a general trend of warming
  8. 15. Projection of enough light to wash out the stars
  9. 19. All cities need lots of this, and also pollute this
  10. 20. The process where urban areas decline
  11. 21. Any city that has more than 10,000,000 people
  12. 24. Correct behaviour, and important for researchers