"In November 2012, the U.S. Department of Energy asked contract employees at the Hanford plutonium processing plant in Washington state to take an unusual oath."

"NEW ORLEANS — BP wants a federal judge to order restitution — plus interest — of what it says are hundreds of millions of dollars in overpayments to some businesses that claimed losses due to the 2010 Gulf oil spill."

"U.S. regulators this autumn may impose new standards for rail tank cars that carry crude oil that are tougher than the latest design adopted by railroads in 2011, a top industry safety executive said on Tuesday."

"In a shocking move, BP has decided to shut down its internal oil spill claims program, taking away an avenue for more than 10,000 claimants who have opted out of the oil giant’s controversial settlement agreement or others who are not covered by it."

"Johnson County, Wyo., is the kind of remote, quiet Western community where life revolves around cattle—it was the site of an infamous 19th-century armed battle between cowboys and suspected cattle rustlers. The county ranks only 11th statewide for oil production, but it holds the number-one ranking nationwide for a more ignominious distinction: It has 249 new, high-risk oil and gas wells that the federal government has failed to inspect for compliance with safety and environmental standards."

"'The worry is that if you have reduced swimming performance you're going to be less effective at capturing prey, and less effective in avoiding (predators),' said Martin Grosell, a professor at the University of Miami's Rosenstiel School of Marine and Atmospheric Science."

"There’s no evidence in reports subpoenaed by a federal grand jury that Duke Energy ever performed a simple test engineers recommended, one that might have prevented the spill this winter at the utility’s power plant near Eden."

"In 1957, author John Graves decided to take a canoe trip down the upper Brazos River before a series of dams would turn his favorite stretch of river into a string of lakes. Graves feared that his beloved river would be squeezed dry if five proposed flood-control dams were built in the upper Brazos."

"RALEIGH, N.C. — Records subpoenaed by federal prosecutors show engineers working for Duke Energy warned the company nearly 30 years before a massive coal ash spill that a stormwater pipe running under an ash dump was made of corrugated metal and needed to be monitored for leaks."