Greenwire

Amtrak today named Armando Silva, a longtime transportation expert, to lead its research and planning division.

The Tennessee Valley Authority is cutting spending after mild temperatures this spring and early summer caused a drop in the utility's second-quarter earnings.

The dismissal of the Heinz Endowments' environmental programs director signals that changes are coming in how the philanthropy operates.

Fifteen U.S. biofuel companies will travel to Brazil in late September in an effort to build trade opportunities between the two countries.

The Federal Energy Regulatory Commission is poised for another showdown with energy traders after ordering BP PLC today to prove it didn't manipulate the gas markets in 2008, accusations the oil and gas giant is calling baseless and has vowed to fight.

Stockpiles of radioactive waste are building up in ad hoc storage units around the country as the search for a national disposal site continues.

Flying shrapnel injured five spectators -- one of whom lost his leg -- during a Saturday power plant demolition in California.

The Nebraska Supreme Court has ruled that a wind company can claim a $1.6 million tax credit to avoid paying higher taxes over the next several years, striking down a lower court's ruling that the credit was unconstitutional.

The city of Richmond, Calif., on Friday sued Chevron Corp. for allegedly placing its profits and executive pay over public safety leading up to a refinery fire last year.

Federal judges have partially sided with conservationists seeking to halt a timber sale in the Pacific Northwest, ruling that a lower court should have stopped the construction of some new roads.

The vice president of maritime systems at Battelle Memorial Institute works in Columbus, Ohio, far from the oceans she longed to study as a child.

Federal scientists expect the giant Asian shrimp that have invaded Louisiana waters to stick around.

UNITED NATIONS -- A longtime conservation official from Mauritania has been named the second-ranking officer of the United Nations' top agency on environmental matters.

Puget Sound's orcas will remain on the federal endangered species list, the National Marine Fisheries Service announced Friday.

The Interior Department today launched a comprehensive environmental review of its June proposal to allow Mexican wolves to expand beyond their current range in Arizona and New Mexico.

Several pro-coal lawmakers from both sides of the aisle last week joined allies of organized labor in introducing legislation to protect miner health care and pension benefits.

Several pro-coal groups, Arizona associations and some politicians are working to scuttle a recently announced proposed deal to manage emissions from the Navajo Generating Station, one of the country's largest coal-fired power plants.