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Berkshire Hathaway Energy's bid to ease purchase requirements for utilities under a 1970s law aimed at boosting renewables and efficiency was greeted today with a mix of support, skepticism and even confusion on Capitol Hill.

One of the most vocal foes of the Keystone XL pipeline has started looking for a second act.

A ranching family this week defied the Bureau of Land Management's closure of public rangelands in north-central Nevada, releasing scores of cattle onto drought-plagued lands to protect "lives, liberty and property" that the family feels are being trampled by federal restrictions.

The Commerce Department's inspector general retired yesterday, amid controversy over how he treats whistleblowers and mounting calls for his resignation.

Hydraulic fracturing can contaminate drinking water but has not caused "widespread" impacts, U.S. EPA found in a highly anticipated study released today.

As climate delegates convene in Bonn, Germany, this week for the next round of negotiations on an international agreement, how will the discussions pave the way to December's final negotiations in Paris? On today's The Cutting Edge, ClimateWire deputy editor Lisa Friedman discusses the goals for the Bonn meeting and the impact resistance to climate action in the United States is having on the international talks.

The Winter Bay is going to Japan, according to animal welfare groups protesting the ship for its cargo hold full of whale meat.

An attempt to use a killer whale replica to scare a throng of sea lions packing docks along the Oregon coast yesterday was stymied after a passing ship flipped the life-sized replica.

Baltimore, the second-worst city in country for air pollution, has met U.S. EPA standards for ozone, but experts say there's still much work to be done.

Authorities are investigating whether a recent oil pipeline spill caused the large number of tar balls that closed a second stretch of shoreline in Southern California, officials said yesterday.

Virginia and Maryland have been taking some first steps toward increasing high-speed rail availability in the greater Washington, D.C., area.

The acting administrator of the Pipeline and Hazardous Materials Safety Administration is stepping down to become a senior adviser at the Federal Aviation Administration effective Monday, a spokeswoman said this morning. Both agencies are part of the Department of Transportation.

Popular Canadian coffee chain Tim Hortons is stuck in a public relations fight over a controversial oil pipeline.

Early this morning, a line of heavy supply trucks and large fuel tankers is due to begin rolling north on Alaska's Dalton Highway carrying supplies to the North Slope oil fields for the first time since the 414-mile roadway was washed out by flooding in mid-May.

Energy Secretary Ernest Moniz today announced the agency is investing more than $60 million in new nuclear technology and research, touting the expenditure as a sign of the administration's dedication to nuclear power.

Native American tribes scored a victory yesterday when a federal appeals court ruled states cannot leverage a casino negotiation to challenge a tribe's status as an entity officially recognized by the federal government.

California trucking companies yesterday asked federal judges to reconsider their dismissal of a case challenging the Obama administration's landmark fuel efficiency and greenhouse gas emission standards for cars and trucks.

A group of rural Iowans today asked federal judges to reconsider their bid to force U.S. EPA to regulate toxic air emissions from animal feeding operations.

A federal judge in Alaska yesterday declined to dismiss a case by developers of the Pebble mine against U.S. EPA, effectively extending a block on the agency's proposed limits to the project.

Environmentalists and fishermen yesterday sued California and the federal government over their handling of water supplies during the state's extended drought, charging their actions could cause the extinction of fish species.

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