Sustainable “green” Chemistry


What pollutants are introduced into the atmosphere by volcanoes?

Volcanoes are a major source of sulfur dioxide (SO2) gas in the atmosphere. This gas is poisonous and is an irritant to the mucous membranes found in your throat, eyes, and nose. Sulfur dioxide also reacts with oxygen, sunlight, dust, and water to create SO42- droplets and sulfuric acid (H2SO4), which leads to a type of smog referred to as volcanic smog, or “vog.” Vog can cause asthma attacks and damage the upper respiratory tract. The sulfuric acid produced can also cause acid rain.


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