"Duke Energy is asking a judge to prevent citizens groups from taking part in any enforcement action that would make the company clean up nearly three dozen coal ash pits across North Carolina."

"A recent spill of coal ash in North Carolina underscores the challenge of disposing hazardous substances captured from power plant stacks. Are we diverting air pollutants into our waterways?"

"PINELANDS -- The long, heated debate ended, the votes were cast, and a proposed natural gas pipeline through the environmentally sensitive Pinelands appeared dead."

"Discovery that contamination in soil can vaporize and seep into homes has prompted a statewide review of polluted sites."

"Less than a week after an oil spill in the Houston Ship Channel, environmentalists say there has been limited damage to nearby bird sanctuaries, but it is too soon to know whether there will be long-term problems to wildlife."

"An unknown amount of oil leaked from BP Plc's Whiting refinery in Indiana into Lake Michigan after a mechanical glitch on Monday afternoon, the company confirmed on Tuesday."

"The Environmental Protection Agency proposed a rule Tuesday that would give the federal government regulatory authority over millions of acres of wetlands and about 2 million miles of streams."

"Air pollution kills about 7 million people worldwide every year, with more than half of the fatalities due to fumes from indoor stoves, according to a new report from the World Health Organization published Tuesday."

"RALEIGH, N.C. -- The lawyer hired to represent North Carolina's environmental agency during a federal investigation into its regulation of Duke Energy's coal ash dumps once represented the utility company in a different criminal probe."