"A new study about the way oil from the BP Deepwater Horizon accident evaporated into the air confirms that cleanup workers were exposed to high levels of airborne pollution, and that the fumes also may have made their way onshore in Louisiana."

"The latest surge in oil prices may help the renewable energy industry reach a turning point after years of boom-and-bust cycles long dictated by the rise and fall in gas prices."

"Conservation groups are concerned that new National Forest Management planning rule announced by the Obama administration last month takes away the single most important measure to ensure wildlife protection afforded by the 1982 regulations they will replace."

"A Seattle-based seafood company that operates mostly in Alaska will pay $1.9 million in penalties as well as cleanup costs for the ammonia and other waste it discharged from its processing plant in the Aleutians."

"The U.S. solar power sector grew 67 percent in 2010 but still lagged European markets by a wide margin in installing solar systems, the industry's trade group said on Thursday."

"Republicans in the House of Representatives said on Thursday they would seek to combat rising oil and gasoline prices with a series of bills this year aimed at spurring domestic energy production."

"Light bulbs sparked heated discussions [Thursday] morning during a Senate legislative hearing on two energy efficiency bills."

"A report commissioned by the United States Navy concludes that climate change will pose profound challenges for the sea service in coming decades, including a need to secure Arctic shipping lanes, prepare for more frequent humanitarian missions and protect coastal installations from rising seas."

"A bill to strip U.S. EPA of its authority to regulate greenhouse gas emissions cleared its first hurdle today on the road to likely House passage."

An 8.9 magnitude earthquake struck Japan, shutting down major systems, killing at least 40, and causing a tsunami. Nuclear plants were shut down on an emergency basis after the cooling system at one plant failed. Tsunami warnings were issued through much of the Pacific, including Hawaii and parts of the U.S. West Coast and South America. Potential impact of tsunami on Hawaii within minutes of 8 am EST as hotels evacuate vertically.