"A U.S. industrial accident investigative board served Black Elk Energy with a subpoena on Monday, seeking information about last week's offshore Gulf of Mexico oil platform explosion that left one worker dead and another missing."

"The Environmental Protection Agency declined on Friday to relax its requirement on the use of corn ethanol in gasoline, rejecting a request from several states related to a steep decline in the nation’s corn production."

"Hundreds of people who say they worry oil that would be carried the Keystone XL pipeline will accelerate climate change marched around the White House on Sunday, hoping to revive a movement credited with slowing down the permit process for the crude oil project."

"New NAACP analysis pinpoints the disproportionate impact from coal-fired power plants on minorities and the poor."

"The air reeks so strongly of rotten eggs that tribal leader Wes Martel hesitates to get out of the car at an oil field on the Wind River Reservation in Wyoming. He already has a headache from the fumes he smelled at another oil field."

"The shale gas revolution is firing up an old-fashioned American industrial revival, breathing life into businesses such as petrochemicals and glass, steel and toys."

"Over the last few years a series of incidents have brought pipeline safety to national – and presidential – attention. As Obama begins his second term he will likely make a key decision on the controversial Keystone XL pipeline, a proposed pipeline extension to transport crude from Canada to the Gulf of Mexico."

"Georgia tops all other states for the amount of power it generates from coal-burning units that are “ripe for retirement” because they aren’t cost-effective, according to a Union of Concerned Scientists report."

"LAKE WYLIE, N.C. -- For more than a year, one Charlotte environmental group has warned of what could happen if coal ash ponds leak into local lakes. Now, they say, it’s happening."

"Research to be released Thursday shows that West Coast refineries continued to produce gasoline even though Americans were told they were temporarily shut down, leading to price spikes in May and October, McClatchy Newspapers reports."