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Sharp Decline in Pollution from U.S. Coal Power Plants

Sulfur Dioxide in the Ohio River Valley, 2010.
Publication Date: 
Thursday, December 1, 2011

A team of scientists have used the Ozone Monitoring Instrument (OMI) on NASA's Aura satellite to confirm major reductions in the levels of a key air pollutant generated by coal power plants in the eastern United States. The pollutant, sulfur dioxide, contributes to the formation of acid rain and can cause serious health problems.

Image Credit: Jesse Allen, NASA Earth Observatory.