"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 United Nations report that concludes climate change is negatively affecting every continent arrived with a predictable thud Monday in Washington. Democrats and the Obama administration saw the report as more evidence that leaders must take quick, decisive action on the issue, while skeptics, including much of the Republican Party, held fast in their position that the science is wrong."

"The New York Times led Monday’s paper with an ominous headline potentially affecting everyone on Earth: 'Panel’s Warning On Climate Risk: Worst Is To Come.'"

"In matters of love, nothing says romance like a moonlit beach. Especially if you're a lusty horseshoe crab and the tide is high."

"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?"

"FRESNO, Calif. — The government has been collecting dirt — lots of it."

"WASHINGTON — For more than a century, federal scientists have worked on Pivers Island near the historic town of Beaufort, N.C., and the beaches of Emerald Isle studying the ocean, and the fish, turtles and dolphins of its sea grass estuaries and rocky reefs."

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

"SACRAMENTO, Calif. — Since at least last September, trains carrying tank cars filled with crude oil have rolled into the the former McClellan Air Force base. Workers have transferred the oil, including some volatile Bakken crude, from trains to tanker trucks, which take it to Bay Area refineries."

"WASHINGTON — The Obama administration on Friday announced a strategy to start slashing emissions of methane, a powerful greenhouse gas released by landfills, cattle, and leaks from oil and natural gas production."