"The debate over a pollution permit in Clairton, Pennsylvania, home to the nation’s largest coke plant, pits environmental groups and residents concerned about public health against U.S. Steel and its supporters."

"A local official said proper authorities were notified, but state regulators said they weren’t made aware of the blaze until an inspection two weeks after the fire began."

"Chemours and state regulators say the Fayetteville Works plant has reduced air emissions, but we found levels of 'forever chemicals' as much as 30 times higher than state tests".

"The Department of Energy unveiled a heavily anticipated, scaled-back regulation Monday to cut greenhouse gas emissions from stovetop cooking in the U.S., going with a compromise that pleased gas stove producers and environmentalists alike."

"The total number of accidents for the top five freight railroads increased, and Congress still hasn’t passed legislation to prevent similar disasters."

"Frigid weather this month caused industrial facilities across Texas to release unplanned air pollution as machinery froze, power went out and icy conditions blocked service crews."

"A rule published by the Trump administration removed protections for 21 percent of streams and 25 percent of wetlands that otherwise could have received federal protection, new research has found."

"Canada’s tar sands have gained infamy for being one of the world’s most polluting sources of oil, thanks to the large amounts of energy and water use required for their extraction. A new study says the operations are also emitting far higher levels of a range of air pollutants than previously known, with implications for communities living nearby and far downwind."

"The average life expectancy in predominantly nonwhite communities along the Houston Ship Channel, the site of largely unregulated petrochemical production, is up to 20 years less than nearby predominantly white communities, according to a report released Thursday by Amnesty International"