The agency faces congressional questions about the accident even as Administrator Gina McCarthy tries to sell far-reaching climate-change rules.
The move by one of the world's biggest energy companies is the latest in an exodus of corporate heavyweights from the controversial conservative group.
Sweeping power-plant regulations would enable states to use pollution trading, fees to cut heat-trapping emissions.
New climate-change regulations could make him the greenest president ever — if he survives the brutal assaults to come.
Ted Cruz questions climate science, accuses Obama of siding with 'California environmentalist billionaires' over workers.
Capitol Hill Democrats, meanwhile, are pressing the Interior Department to finalize a rule to better protect African lions.
The GOP-led panel said the Democratic White House front-runner's public appearance in October has been finalized.
The U.S. Fish and Wildlife Service says it's ready to assist officials in Zimbabwe after the death of beloved lion.
The campaign promised to offset its carbon footprint. But it's not an easy task, and details are few and far between.
The committee had been planning to make John Kerry's top aide testify Wednesday.
Environmental groups say an array of provisions prevent them from backing the measure, touted as a bipartisan achievement.
Her campaign announced new national goals for renewable energy deployment and vowed to protect President Obama's carbon emissions rules.
The panel's GOP leader said nothing's been finalized, and accused Clinton's camp of seeking unacceptable constraints.
A referral to the FBI by the intelligence community's inspector general is certain to intensify election-season scrutiny of Clinton's email practices when she was secretary of State.
She leads progressives on economic justice, but has been quieter on energy and resource issues despite a new panel perch this year.
Committee Chairman Trey Gowdy says the staffer has to show up Wednesday — unless the State Department turns over more documents.
John Kerry's top aide faces a choice: miss a key hearing on the Iran deal, or defy the GOP chairman of the House Benghazi panel.
The Utah Republican happens to be teaming up with Democrats on criminal-justice reform, FOIA policy, and even Keystone.
Democrat uses comments about John McCain's war record to slam other Republican White House hopefuls.
With her mixed record on environmental and energy issues, and her cautious silence on controversies like Keystone, activists can't help wondering.