Question

Name the main sources of air pollutants.

Answer 1

There are four main types of air pollution sources:

i) mobile sources – such as cars, buses, planes, trucks, and trains

ii) stationary sources – such as power plants, oil refineries, industrial facilities, and factories

iii) area sources – such as agricultural areas, cities, and wood-burning fireplaces

iv) natural sources – such as wind-blown dust, wildfires, and volcanoes