Cafeterias, prisons and federal food programs may soon be serving a high-mercury fish in seemingly innocuous form.

"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."

"The Obama administration cleared the way for the first exports of unrefined American oil in nearly four decades, allowing energy companies to start chipping away at the longtime ban on selling U.S. oil abroad."

"White House changes to proposed rules for tobacco products significantly weakened language detailing health risks from cigars and deleted restrictions that might have prevented online sales of e-cigarettes, published documents show."

"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."

"Neonicotinoid pesticides are causing significant damage to a wide range of beneficial species and are a key factor in the decline of bees, say scientists."

"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."

"Average land and ocean surface temperature for May was highest ever, as 2014 shapes up to potentially be hottest year yet"

"The California drought is helping save the state's signature tree - the mighty oak - by slowing down the spread of the plague-like disease scientists call sudden oak death."