Meaning of SULFUR DIOXIDE (SO2) in English

A strong smelling, colorless gas that is formed by the combustion of fossil fuels. Power plants, which may use coal or oil high in sulfur content, can be major sources of SO2. SO2 and other sulfur oxides contribute to the problem of acid deposition. SO2 is a criteria air pollutant.

Environmental engineering English vocabulary.      Английский словарь экологического инжиниринга.