"Sen. Joe Manchin (D-W.Va.) blasted President Obama's proposals to address climate change, saying new regulations on power plants would unfairly burden the coal industry."

"President Obama set a high bar for approval of the controversial Keystone XL pipeline, declaring for the first time that he would let the project go forward only if it does not 'significantly increase' emissions of greenhouse gases."

"The solar plane will land in New York City soon, but its water-borne counterpart is already here: Early this week the world's largest solar-powered boat steamed into lower Manhattan and docked in small marina, usually reserved for multimillion dollar yachts, in the shadow of the new World Trade Center tower."

"For renewable energy supporters, this was supposed to be a year of statehouse setbacks."

"Natural gas has likely seeped into Northeast Pennsylvania water supplies from both deep gas drilling and natural processes, researchers at Duke University reported in a paper released Monday."

"TAYLORVILLE, Ill. -- A Nebraska company dropped plans to build a $3.5 billion coal-based power plant in central Illinois, saying it instead will focus on developing natural gas-fueled and renewable facilities elsewhere."

"Republicans in the U.S. House of Representatives made manifest yesterday how much they dislike President Barack Obama's clean-energy agenda as a House spending panel voted for massive cuts in clean-energy research."

"A federal environmental regulator will not finish and review a draft report tentatively linking hydraulic fracturing to Wyoming groundwater contamination and will instead allow state agencies to further investigate the issue."

"Federal prosecutors unveiled new criminal indictments on Wednesday against a former BP Plc executive and a former BP engineer charged with obstructing investigations into the April 2010 Gulf of Mexico oil spill."