"LOS ANGELES -- A federal board Friday ordered the operator of a shuttered nuclear power plant in California to turn over dozens of pages of documents that were withheld when the company submitted a plan to restart one of its damaged twin reactors."

"Federal officials have given energy and mining companies permission to pollute aquifers in more than 1,500 places across the country, releasing toxic material into underground reservoirs that help supply more than half of the nation's drinking water. In many cases, the Environmental Protection Agency has granted these so-called aquifer exemptions in Western states now stricken by drought and increasingly desperate for water."

"ATLANTA -- If disaster strikes a nuclear power plant in the U.S., the utility industry wants the ability to fly in heavy-duty equipment that could avert a meltdown."

"The federal government has come up with dozens of ways to enhance the diminishing flow of the Colorado River, which has long struggled to keep seven states and roughly 25 million people hydrated."

"After two federal judges recused themselves from a criminal case against former BP PLC managers indicted for their role in the Deepwater Horizon disaster, a third has made disclosures of his own."

"The University of Texas said today that it has accepted the findings of a damning independent review of the preparation of a report on potential impacts of shale gas drilling by the school’s Energy Institute. The school said it will undertake six recommended actions, the most significant being the withdrawal of papers from the Energy Institute’s Web site related to the report until they are submitted for fresh expert review."

"The Obama administration is getting more push-back from House Republicans about federal research aimed at assessing the health risks associated with a booming natural gas industry."

"SWARTHMORE, Pa. -- A group of Swarthmore College students is asking the school administration to take a seemingly simple step to combat pollution and climate change: sell off the endowment’s holdings in large fossil fuel companies. For months, they have been getting a simple answer: no."

"Activists step up pressure on president to turn vague promises made since re-election into concrete policies for the future."