Sources of air pollution

Motor vehicles are major source of air pollution in urban areas and need to be controlled.

Air pollution is one of the negative aspects of industrialisation. Every industrialised nation pollutes air. However, in poorer countries, less resources in terms of money and effort are spent on precautionary methods. There is overpopulation, fewer green belts and machinery is often not well maintained to minimise pollution.

The air we breathe carries residues from the following sources: