Greenwire

Mountain Tunnel, a 19-mile waterway in Hetch Hetchy Valley, Calif., is one of the most critical pieces of the area's water system.

More than three-fifths of Americans back U.S. EPA's current air quality standard for ozone, according to the results of an American Lung Association poll released today.

Toshiba Corp. is expected to announce a $6.1 billion write-down tomorrow to cover costs at four nuclear reactor projects run by Westinghouse Electric Co., a Toshiba subsidiary.

A Phillips 66 Co. pipeline worker killed in an explosion Thursday night near St. Charles Parish, La., has been identified as Josh Helms of Thibodaux, La.

Former coal tycoon Don Blankenship blamed his political enemies in his latest appeal of his conviction for willfully violating mine safety laws.

Four years after a federal judge rejected arguments that nutrient trading in the Chesapeake Bay will degrade water quality there, Food & Water Watch is again challenging the practice, saying this time there's proof.

U.S. EPA is facing at least three lawsuits over its rule setting renewable fuel requirements for 2017 and biodiesel requirements through 2018.

Pipeline opponents in northern Ohio are hoping the northern long-eared bat will help delay the $2 billion project.

The Bureau of Land Management has halted a west Colorado land swap with Les Wexner, owner of Victoria's Secret and Bath & Body Works.

The Bureau of Land Management has decided to pull two parcels near Zion National Park from a planned June oil and gas lease sale, in part to allow the National Park Service to conduct more analysis on possible impacts to Utah's most-visited national park.

Former Wagoner County Sheriff Bob Colbert has filed a slander lawsuit accusing Oklahoma Attorney General Scott Pruitt (R) of falsely claiming on a national podcast that Colbert pocketed seized drug money.

Ali Zaidi, a former energy aide in the Obama White House, has signed on to work on energy and environmental policies at a Washington law firm.

The leaders of a 20-state coalition are urging the Trump administration to support wind and solar energy and emphasize grid upgrades in any infrastructure package.

The top Democrat on the House Natural Resources Committee has a message for workers at the Interior Department and other environmental agencies: If they've got dirt on the Trump administration, he wants it.

The Yucca Mountain nuclear waste repository could get new life as part of a far-reaching congressional review of the Department of Energy, the chairman of the House Energy and Commerce Committee said today.

Democratic senators are demanding the White House explain the role billionaire investor Carl Icahn has played as special adviser on regulatory reform.

A prominent watchdog group is pushing back on speech restrictions at U.S. EPA and other federal agencies.

Congress has primed President Trump's pen to kill the Stream Protection Rule in the name of jobs, but environmentalists haven't given up hope on curbing mine pollution in coal country.

President Trump's communications director at U.S. EPA is interested in continuing to work for the administration in the Pacific Northwest.

A complicated legal battle awaits the Trump administration if it tries to withdraw from the U.N. Framework Convention on Climate Change, said the Congressional Research Service in a new report.

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