"RALEIGH, N.C. - North Carolina's environmental agency said Sunday it wrongly declared all test results for the arsenic levels in the Dan River as safe for people after a massive coal ash spill."

"CORPUS CHRISTI, Texas -- A South Texas judge has fined Citgo Petroleum more than $2 million after finding it guilty of felony violations of the U.S. Clean Air Act by its Corpus Christi refinery."

"EDEN, N.C. – An environmental group Thursday challenged Duke Energy’s assurances that drinking water from the Dan River in North Carolina and Virginia remained safe despite a massive spill of toxic coal ash that released a deluge of murky gray sludge into the river Sunday."

"Attorneys general in 21 states are backing an attempt to derail the Obama administration’s Chesapeake Bay cleanup plan, fearing that the government will use that authority to regulate wastewater in other watersheds, including the Mississippi River Basin."

"ON THE DAN RIVER, N.C. — Canoe guide Brian Williams dipped his paddle downstream from where thousands of tons of coal ash has been spewing for days into the Dan River, turning the wooden blade flat to bring up a lump of gray sludge."

"EDEN, N.C. -- A pipe under a coal ash pond broke in northern North Carolina, releasing an unknown amount of coal ash into the Dan River, Duke Energy Corp. said Monday."

"WASHINGTON — Members of Congress and West Virginia officials say patchwork federal regulations are inadequate to protect the public from spills such as the one last month that contaminated drinking water for 300,000 people in the Charleston area."

"Sochi — Just outside the Olympic Park in Sochi, where the Winter Games open on Friday, is a green space with benches, artificial ponds and a couple of hides. 'Ornithological Park', the sign declares. The problem is that there is not a bird in sight in the park, which was set up as a replacement for sensitive wetlands that were covered over for the construction of Games venues."

"EDMONTON - A new study released Monday suggests environmental assessments of oilsands projects have underestimated the impact of pollution, raising questions about the accuracy of data used as part of the approval process."

"Duke Energy said Monday that 50,000 to 82,000 tons of coal ash and up to 27 million gallons of water were released from a pond at its retired power plant in Eden [N.C.] into the Dan River, and were still flowing."