Greenwire

California's historic drought is taking a toll on some of Earth's oldest and largest living things, according to scientists studying the Sierra Nevada's giant sequoias.

Water managers have uncapped a third intake in the deepest part of Lake Mead to bring drinking water to Las Vegas.

A contractor that lost a lucrative concessions deal with Yosemite National Parkhas filed suit in federal court.

Maryland's Eastern Shore is now home to the world's largest man-made oyster reef, part of the state's effort to restore its hurting population of the shellfish.

Australian scientists have discovered a cheap and easy way to kill the coral-eating starfish damaging the Great Barrier Reef.

A gaggle of tourists cornered a mule deer in Canada's Banff National Park for a photo op in the latest example of visitors getting too close to wildlife.

A tropical storm may have brought the corn disease tar spot to the Midwest, the Department of Agriculture said.

Fish and Wildlife Service Director Dan Ashe said he's hopeful the government can reverse a judge's ruling earlier this month to strip federal protections from a prairie grouse that roams the southern Great Plains.

President Obama should pressure China to ban tiger farming when Chinese President Xi Jinping arrives in Washington, D.C., today, according to a letter from conservationists.

With the approval this week of federal greater sage grouse plans that propose withdrawing 10 million acres from new mining claims, President Obama has firmly established his conservation legacy by protecting more acres of public lands and waters than any president in history, according to a new report from a liberal think tank.

A coalition of House Republicans this week urged Speaker John Boehner (R-Ohio) to support the extension of a key conservation program before it expires Wednesday.

President Obama today threatened to veto a short-term Republican spending bill that's up for a vote in the Senate this afternoon and called on Congress to pass an appropriations bill free of divisive provisions.

Speaking at a chemical industry conference in Baltimore earlier this year, Terry Medley, global director of corporate regulatory affairs at DuPont, said his daughter once asked him to Google how many chemicals are used in the United States. When audience members turned to their smartphones for the answer, one found an often-cited figure on the website of an environmental group.

The federal government will likely appeal a circuit court ruling this month that overturned an oil company's convictions under the Migratory Bird Treaty Act, according to Fish and Wildlife Service Director Dan Ashe.

The White House is preparing a presidential memorandum that seeks to streamline how the government offsets damage to public lands, waters and wildlife, according to several sources.

Lawmakers obeyed orders from House and Senate leadership to refrain from chatting with, shaking hands with or touching Pope Francis during the first-ever papal address to Congress today.

U.S. EPA chief Gina McCarthy is hoping to build support for the Obama administration's climate agenda in the wake of Pope Francis' public calls for environmental action.

The anti-Christ protesters by the porta-potties were perhaps out of place, but they were the exception at a climate rally outside the Capitol today that emphasized the need to "transcend" differences and fight pollution.

Lawmakers from both parties today praised Pope Francis' historic speech to Congress, but the pontiff's climate message doesn't appear to have caused any major shifts in thinking among Republicans on the need to curb emissions.

Pope Francis prodded a deeply divided Congress to take "courageous" steps to combat environmental damage, but his calls aren't likely to spur the entrenched foes of the Obama administration's green agenda.

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