Some chemical engineers, known as process engineers, specialize in a particular process, such as oxidation (a reaction of oxygen with chemicals to make other chemicals) or polymerization (making plastics and resins).
Quick Answer. Some of the major causes of air pollution include burning of fossil fuels, agricultural activities, exhaust from industries, vehicle fumes, mining operations and indoor pollutants. Air pollution has a negative impact on the environment and life in general.
Ad. Among the causes of pollution of this type, the automobile is probably the biggest. Vehicle exhausts are a major source of carbon dioxide, which contributes to global warming, and toxic carbon monoxide.