The Causes of Deterioration of Air Quality in Inner Urban Areas

Short essay

|!|ES04001|!|
What are the causes of deterioration of air quality in inner urban areas? How can the air quality in inner urban areas be improved through urban planning and transport development? (12 marks)

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|Causes |4 |
|Explain: |urban planning |4 |
| |transport development |4 |

Suggested answer:
|Introduction |(4) |
|Identify the causes of deterioration of air quality in inner urban areas - There are more air pollutants (e.g. carbon | |
|oxides, sulfur oxides, nitrogen oxides, suspended particulates, etc.) and more heat in inner urban areas. The causes of | |
|deterioration of air quality in inner urban areas are as follows: | |
|(a) High level of urbanisation | |
|High energy consumption from automobiles, heating and cooling of homes and offices, and business activities | |
|More industrial energy consumption | |
|(b) High population and building density | |
|More high rise buildings and narrow roads. So the air pollutants cannot be dispersed easily | |
|Less open space and green areas | |
|The air quality in inner urban areas can be improved through urban planning and transport development in several ways: |(4) |
|(a) Urban planning