"Five years after the largest oil spill in U.S. history spewed millions of gallons of crude into the Gulf of Mexico, many Louisiana oystermen are fearful that a once-bountiful population of the mollusks may never recover."

"A Friday afternoon pipeline explosion at the Fresno County Sheriff gun range left 11 people injured and caused a massive traffic jam on the nearby state Highway 99, according to the Associated Press."

"Responding to public pressure to act more quickly after a series of fiery train derailments involving oil shipments, the Transportation Department on Friday issued a series of emergency orders, including a 40-mile-an-hour speed limit for hazardous materials moving through urban areas."

"OVER THE GULF OF MEXICO — A blanket of fog lifts, exposing a band of rainbow sheen that stretches for miles off the coast of Louisiana. From the vantage point of an airplane, it's easy to see gas bubbles in the slick that mark the spot where an oil platform toppled during a 2004 hurricane, triggering what might be the longest-running commercial oil spill ever to pollute the Gulf of Mexico."

"In the five years since the Deepwater Horizon accident, the oil and gas industry has not retreated to safety. Instead, it has expanded its technological horizon in ways that make it harder to foresee the complex interactions between drilling technologies, inevitable human errors and the ultra-deepwater environment."

"A Japanese court on Tuesday issued an injunction to prevent the restart of two reactors citing safety concerns, in a blow to Prime Minister Shinzo Abe's push to return to atomic energy four years after the Fukushima crisis."

"The Obama administration on Monday proposed a new regulation for offshore oil and gas rigs intended to improve equipment standards and well designs and avoid a catastrophic spill like the one in the Gulf of Mexico in 2010."

"The Obama administration will release a new rule as soon as Monday that aims to prevent offshore drilling disasters like the major Gulf of Mexico oil spill five years ago."

"The Atlantic Ocean will see a 'well below average' number of hurricanes this season due to cooler Caribbean waters and a strong El Nino effect, forecasters with Colorado State University predicted on Thursday."

"Pacific Gas & Electric Corp must pay a record $1.6 billion in penalties stemming from a natural gas pipeline explosion in 2010 that killed eight people near San Francisco, California's chief utility regulator ordered on Thursday."