"A major American utility is shelving the nation’s most prominent effort to capture carbon dioxide from an existing coal-burning power plant, dealing a severe blow to efforts to rein in emissions responsible for global warming."

"The Republican-controlled House passed a bill Wednesday that would sharply curtail the federal government's role in protecting waters from pollution by barring the Environmental Protection Agency from overruling state decisions on water quality."

"House Republicans want to drop one of the key components of the Interior Department's overhaul of the troubled agency responsible for oversight of offshore drilling -- expanding the enforcement of regulations to contractors."

"A group of Texas refineries, chemical makers and power plants have agreed to seek new air pollution permits, marking a setback for state regulators defending an air pollution program popular with business."

Dramatic drops in the stock prices of some publicly traded geothermal energy companies in the last year or so have resulted from a variety of factors. Some companies lacking expertise have done a poor job of developing the geothermal reserves they hold. Some are having trouble getting the capital they need. And in the end, most of the best geothermal reserves in the U.S. may already be taken.

"Many scientists suggest that climate changes could be causing certain kinds of wildfires for which the West's forests are not well adapted. This year could help researchers better understand and fight the trend."

"A new report concludes that each ton of carbon dioxide emitted in the atmosphere inflicts as much as $900 in environmental harm - almost 45 times the amount the federal government uses when setting regulations. The gap, advocates say, disguises the true value of emissions reductions."

"The Fukushima Daiichi meltdowns show that it is time for “redefining the level of protection that is regarded as adequate” at American nuclear plants, a special task force of the Nuclear Regulatory Commission has concluded."

"A Republican campaign to defend America against a sweeping assault on personal freedoms – or energy-saving lightbulbs as they are more commonly known – went down in defeat on Tuesday night."

"Authorities will keep up pressure on BP Plc to ensure it fully compensates victims of last year's Gulf of Mexico oil spill, Florida Republican Senator Marco Rubio said on Monday after the company indicated it wants to limit future claims."