Greenwire

After the nation's largest coal ash spill, no one asked why hundreds of blue-collar laborers cleaning the mess were not wearing basic dust masks.

NASA will take bids next month for the construction of a new plane that aims to vastly reduce the sound of a sonic boom, which could allow airliners to cut cross-country flight times in half.

Fisker, a Delaware electric vehicle company that crashed in 2013 after receiving a $20 million injection of taxpayer money, has transformed into two companies that are thriving in Silicon Valley.

The National Weather Service announced plans to cancel its contract with the union representing almost 4,000 of its meteorologists and other workers.

The U.S. EPA inspector general will conduct field work for its review of the agency's fellowship programs.

Scientists hope to solve some fundamental cosmic riddles by shooting subatomic particles through 800 miles of rock and dirt.

The Trump administration is pushing to open the Arctic National Wildlife Refuge for oil and gas development. The area has not been tapped — with one exception.

Secretary of the Air Force Heather Wilson thinks trains carrying nuclear waste across a Nevada testing range to the planned repository at Yucca Mountain could pose a threat to military readiness.

West Virginia environmental regulators ordered the developer of the embattled Rover pipeline to halt construction last week in the latest blow for the project, which has faced pressure from the state of Ohio as well as the Federal Energy Regulatory Commission.

The comic strip "Arctic Circle" will tackle global warming for the next week in honor of "An Inconvenient Sequel: Truth to Power," Al Gore's documentary that hits theaters Friday.

Scientists are researching how glaciers melting as a result of climate change could affect seismic activity in Alaska.

Gulf Coast shrimpers are struggling with the annual "dead zone" in the Gulf of Mexico, which could be one of the largest on record.

Fire crews beat back a fast-moving wildfire near dozens of rural homes outside of Yosemite National Park yesterday.

The Trump administration has ordered a review of federal rules that prevent hunters from ambushing bears and wolves while the animals are swimming, or when mothers are in a den with their pups.

A former senior Obama administration official argues in a report released today that Interior Secretary Ryan Zinke's review of federal greater sage grouse conservation plans appears aimed at placing oil and gas development above other uses of public lands, and could have significant negative impacts on the bird.

ROCKY MOUNTAIN NATIONAL PARK, Colo. — Interior Secretary Ryan Zinke on Saturday promoted the ability of public-private partnerships to address the National Park Service's prohibitive $11.5 billion maintenance backlog, but he stopped short of endorsing prominent in-park recognition for major corporate donors.

Texas Republican Rep. Lamar Smith endorsed Rep. Mo Brooks on Friday in what has become a messy Republican primary for the Alabama Senate special election.

DENVER — Interior Secretary Ryan Zinke told E&E News that he discussed public lands policy during his private remarks to the American Legislative Exchange Council last week, asserting he remains at opposition with the group's support of wholesale disposal of the federal estate.