Urbanisation

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Across
  1. 4. able to be kept at a certain level
  2. 6. traffic jam
  3. 8. sprawl the unplanned and uncontrolled spreading of cities into surrounding regions
  4. 9. the basic physical and organisational structures and facilities (e.g., buildings, roads, and power supplies)
Down
  1. 1. the contamination of air by harmful substances including gases and smoke
  2. 2. Migration into cities from rural areas.
  3. 3. The increase of people living in towns and cities
  4. 4. air pollution by a mixture of smoke and fog
  5. 5. the population getting larger because of births and deaths
  6. 7. a person who travels from home to work and back