What Are Common Causes of Air Pollution?

Jean-Etienne Minh-Duy Poirrier/CC-BY-SA 2.0

Some common causes of air pollution are second-hand tobacco smoke, agricultural fertilizer application, fuel combustion from transportation, and industrial processes such as mining, fuel refinery and chemical manufacturing. Other sources of air pollution include livestock waste, solvent application for degreasing purposes, commercial cooking and naturally occurring events such as wildfires.

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