"The U.S. government is at high risk of financial exposure from climate change, the Government Accountability Office said on Thursday, two days after President Barack Obama vowed to tackle the issue with or without Congress' help."

"The agricultural giant Monsanto has sued hundreds of small farmers in the United States in recent years in attempts to protect its patent rights on genetically engineered seeds that it produces and sells, a new report said on Tuesday."

"Southern California Edison and the maker of steam generators at San Onofre nuclear plant knew about problems with the generators even before they were installed, Boxer and a congressman assert."

"Duke Energy Corp, the biggest power company in the United States, said Tuesday its Progress Energy Florida utility will retire the Crystal River nuclear plant in Florida."

"U.S. Energy Secretary Steven Chu, the Nobel Prize winner who shepherded an effort to help spur a clean energy U.S. economy, will step down after a tenure rocked by the failures of some costly government investments."

"CHARLESTON, W.Va. -- Long-term forecasts for coal production in West Virginia and the rest of Central Appalachia continue to show major declines are underway -- and still to come -- for the region's mining industry."

"Duke Energy will close two of its oldest coal-fired power plants, Riverbend west of Charlotte and Buck in Rowan County in April, two years ahead of schedule."

"An independent office within the Small Business Administration has worked to block health, safety and environmental regulations on behalf of small and large businesses without appropriate technical expertise, two new studies have charged."

It's not just that the billionaire Koch brothers have spent tens of millions to undermine science and stifle debate on climate change. It's that they do it in secret.

"PALERMO, Italy -- Inside a midnight-blue BMW, a Sicilian entrepreneur delivered his pitch to the accused mafia boss. A new business was blowing into Italy that could spin wind and sunlight into gold, ensuring the future of the Earth as well as the Cosa Nostra: renewable energy."

"Phil Anschutz -- who has made money out of everything from a well explosion to a failing railroad -- is looking to wager $9 billion on the fierce winds of Wyoming."

"There are few new EVs, but plenty of performance cars -- with eco mode. Yes, it's possible to drive a rip-roaring V-8 Corvette and get nearly 30 mpg."

"Shell may have moved an oil rig that ran aground off Alaska last week partly to avoid millions of dollars in taxes, U.S. Rep. Ed Markey said, raising even more questions about the oil company's decision on the timing of the move."

"Risk experts are concerned that the twin threats of economic upheaval and accelerating climate change could collide over the next decade, delaying crucial adaptation efforts while exposing nations to unpredictable financial loss from disasters."

"RICHMOND, Calif. -- The Chevron refinery’s massive oil storage tanks sit on the hills overlooking this small, impoverished city in San Francisco’s East Bay. Painted earthen red to blend with the natural surroundings, the tanks cannot help dominating the city’s skyline, much the way the oil giant itself has long shaped Richmond’s identity, economy and politics."