"Carnival Corp. will announce Thursday that it is expanding a clean-air program it announced last year, more than doubling the number of ships that will have exhaust cleaning systems installed - at roughly double the price."

"Federal environmental officials said Thursday that they have reached a deal with Duke Energy to clean up its mess from a massive coal ash spill into the Dan River that coated 70 miles of the waterway in North Carolina and Virginia with toxic gray sludge."

"Though much maligned for its invasion into the air Utahns breathe, carbon is an element that is everywhere, throughout the earth and in all living creatures. In the human body, it’s the second most abundant element, right after oxygen. And in the heart of Utah’s Carbon County, carbon—the primary stuff of coal—is the lifeblood of the residents and the hardscrabble communities formed to mine the black gold that has powered the world for generations."

"When 39,000 tons of coal ash spilled into North Carolina's Dan River in February, it grabbed national headlines and raised the ire of environmentalists. But by sheer numbers, the 14 coal ash ponds spread across North Carolina pale in comparison to the nearly 3,000 various waste sites across the state. That includes decommissioned industrial facilities, abandoned dry cleaners and old landfills."

"When a mile-wide tornado roared through Joplin, Mo., it killed 158 people and injured thousands. And it also kicked up toxic remnants from the city’s industrial past that are still haunting its residents on the third anniversary of the disaster."

"A federal appeals court has refused to reconsider a major decision in the long-running battle over the 2010 gulf oil spill, leaving in place an earlier ruling that forces the British oil company BP to pay some businesses for economic damages without the businesses having to prove the losses were directly caused by the spill."

"The removal of a 2,500-ton deposit of coal ash in the Dan River from a spill in North Carolina has begun."

"As North Carolina moves to tap potentially rich natural gas reserves, some warn that the drilling process is fraught with environmental hazards. The Fayetteville Observer explores the debate, and how this new industry could transform the Cape Fear region, in a six-day series this week."

"CHERRYVALE, Kan. — Recent lead levels among children tested in a southeast Kansas town that was home to a zinc smelter were 'significantly' higher than statewide and national levels, according to the Kansas Department of Health and Environment."