The Trump administration has exempted 47 power companies from regulations to curb mercury and air toxics for 66 coal-fired power plants for two years, according to a list of facilities published ...

The Trump administration has exempted 47 companies from regulations to curb mercury and air toxics for their coal-fired power plants for two years, according to a list of facilities published by ...

A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot pollution.

Two Ameren coal plants in the St. Louis region are receiving an air pollution exemption from President Donald Trump's administration. The Labadie Energy Center in Labadie and the Sioux Energy ...