Air

• Issues

  Traffic congestion: Due to the increasing number of cars on the road and factory emissions, traffic congestion is increasing.

  This has led to the city being covered in brown smog
• Solutions

  • expanded the local metro system into the south zone
  • Tolls (pay and display) on some city centre roads
  • This therefore increases the use of public transport and reduces the traffic congestion. As a result air quality improves