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.

GREENBELT, Md., Dec.

Emissions regulations do have an environmental impact, according to a long-term study of acidic rainfall by researchers at the University of Illinois.

WILKES-BARRE, Pa., Oct. 4, 2011 /PRNewswire-USNewswire/ -- Hercules Cement Co.

The federal government on Thursday announced the adoption of a new rule that will require Texas coal-fired power plants to cut pollution that worsens air quality in neighboring states.