The Trump administration says its updated emissions standards will cost lives, due to an increase in vehicle emissions.

Industry-funded research and exaggerated claims litter arguments made by fluoropolymer industry against stricter regulation

Generation of electricity is the second largest source of carbon dioxide and other planet-warming gases in the United States.

The US Environmental Protection Agency is expected to formally rescind carbon pollution standards for fossil fuel-fired power plants as soon as Monday, according to people familiar with the matter.

Protect forests from massive expansion of logging

Trump’s USDA wants to undo the landmark Roadless Area Conservation Rule. That would open about 58.5 million acres of wild, unfragmented national forests to road construction, logging, and other develo...

The Trump admin and Congress are trying to gut our national forest protections for the benefit of loggers, drillers, and miners. We're fighting back to defend our iconic public lands — and you can hel...

Join us for a discussion about the rollback of the Clean Air Act and what it means for public health in communities across America.

Join us for a discussion about the rollback of the Clean Air Act and what it means for public health in communities across America.

A legal loophole allows the government to sell mustangs on the cheap, stripping them of protections and clearing their path to destruction.

The Roadless Area Conservation Rule has protected nearly 59 million acres of national forest land from road construction and large-scale logging since …

Contact Congress today!

Congress could begin rolling back TSCA, our nation's chemical safety law, as early as this month. We need your voice now.

U.S. Customs and Border Protection BP commissioner Rodney Scott wrote on social media Monday he was pausing construction in Big Bend National Park.

Since September, the Trump administration has murdered nearly 90 people in international waters, ordering over 20 lethal strikes on civilian boats near Venezuela. Congress must conduct oversight and c...

Big Oil must not be let off the hook for its decades of deception and climate harms. Tell Congress to stand up to the Trump administration’s corporate giveaways.

Election Defense Scenarios is a field guide for protecting democracy. This resource walks readers through eighteen detailed scenarios — from voter roll purges and redistricting attacks to armed intimi...

The Trump administration wants to gut federal protections that reduce pollution from heavy-duty trucks and other vehicles transporting the stuff we get from stores or buy online. Write to your members of Congress today and urge them to stand up for your right to clean air!

The Trump administration is pulling funding from NOAA’s Arctic Report Card, an annual, peer-reviewed report about the state of the region, which is warming more quickly than anywhere else on Earth.

Parkinson's is the world's fastest growing neurological disorder. Experts worry that people living and working in pesticide-laden agricultural regions are especially at risk.

Video and photos show work underway in Big Bend National Park, the location of a border project which has sparked bipartisan fury.

Big Oil must not be let off the hook for its decades of deception and climate harms. Tell Congress to stand up to the Trump administration’s corporate giveaways.

TERLINGUA, Texas— Bulldozers broke ground today on border barrier and road construction in Big Bend National Park amid widespread bipartisan opposition. Videos shared with the Center for Biological Di...

A SpaceX Falcon 9 rocket booster that launched from Florida struck the surface of the moon early Wednesday, creating a new crater.

The largest conservation areas in the U.S. are in the Pacific Ocean, where tiny islands are epicenters of biodiversity. The Trump administration is now opening their waters to commercial fishing, spar...