Greenwire

A tourist crashed a drone into a hot spring at Yellowstone National Park, officials said.

Mercury on the surface of the world's oceans has tripled since the Industrial Revolution, according to a new study.

The sound of passing ships and other ocean noise may be too intense for the survival of some eel species, according to new research.

DENVER -- The governors of Utah and Colorado yesterday signaled support for delaying the Obama administration's decision on whether to protect the greater sage grouse, a move they argued would buy time for states to implement conservation plans that could preclude the need for federal protections.

Utah's congressional delegation amped up its opposition to a national monument designation for 1.8 million acres of land surrounding Canyonlands National Park.

Sens. David Vitter (R-La.) and Kirsten Gillibrand (D-N.Y.) yesterday joined the ranks of lawmakers questioning the scope of a ban on ivory sales with a letter asking the Fish and Wildlife Service to outline its decisionmaking process.

The Washington Republican who chairs the House Committee on Natural Resources is not happy with a legal settlement reached this week that will require the Army Corps of Engineers to get federal permits for pollution leaking from major hydropower dams in the Pacific Northwest.

A new report by a nonpartisan government watchdog group concludes that increasing the rental fee that oil and natural gas companies pay to hold onto nonproducing leases on public lands would generate tens of millions of dollars for taxpayers -- a finding the industry strongly rebukes as misleading.

Colorado Gov. John Hickenlooper's (D) unscripted comments yesterday on the Keystone XL pipeline sparked a firestorm on social media and drew heavy criticism from his Republican gubernatorial opponent.

California voters are more inclined to vote for a $6.9 billion water bond than an $11.1 billion one, back-to-back polls released yesterday said.

The League of Conservation Voters (LCV) today announced a $2.1 million partnership with a major public employees union to boost voter turnout in Michigan's hotly contested Senate race on behalf of Rep. Gary Peters, the Democratic nominee and a longtime critic of his state's rising number of sites storing the heavy oil byproduct known as petroleum coke.

To the extent that employees of ride-sharing company Uber make political contributions in federal political races, they give to Democrats. But that hasn't stopped the Republican National Committee from mounting an online petition drive on the firm's behalf.

U.S. EPA is planning another round of buyouts and early outs this fall as it looks to keep trimming its staff.

The Fish and Wildlife Service is moving forward with plans to give local tribes more control of Montana's National Bison Range Complex, despite misgivings from environmentalists and some of its own employees.

Against the odds, this year's wildfire season has been the quietest in at least a decade.

U.S. EPA has been a popular punching bag since the start of the Obama administration. But in the past few months, the agency has started hitting back harder than ever. The architect behind the aggressive new media strategy is Tom Reynolds, an Obama campaign vet who thinks the agency's foes shouldn't get the last word.

California's Department of Toxic Substances Control has failed to collect nearly $194 million in cleanup costs since 1987, according to a report by state auditors.

The Canadian government said it won't permit the North American Free Trade Agreement's environmental watchdog to investigate allegations of widespread pollution from massive oil sands tailings ponds, a byproduct of Canada's booming energy sector.

Minuscule "ecosystems" of microbes in water droplets discovered in an asphalt lake have an appetite for grease -- a discovery that could have important implications for oil spill cleanups and even the search for extraterrestrial life.

U.S. EPA plans to take over part of Wisconsin's program for reducing fine particle pollution after finding that the state has fallen short in meeting requirements mandated by the Clean Air Act.

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