Alex Guillén

The Oklahoma Republican held enormous sway over environmental policy during his decades in the Senate.

The high court’s ruling could hamper enforcement efforts at agencies across the federal government.

The case had long been a potential bright spot for such youth-led climate litigation that has usually failed to take off.

The EPA regulation comes amid the president’s continued struggles to assuage unhappiness among young, climate-minded voters.

During oral arguments, the court’s conservative majority questioned a legal doctrine that gives agencies latitude to craft regulations.

Federal regulations on guns, immigration and clean air could all face renewed legal challenges.

The release showed a significant number of major rulemakings are slated to be finalized in spring 2024.

Republicans will use a House hearing and a markup Wednesday to fan the flames over proposed DOE efficiency standards.

The groups charge BLM with failing to consider the project’s impacts on lands used for subsistence by Alaska Natives and argue the Fish and Wildlife Service failed to properly consider Willow’s potential impacts on endangered species such as polar bears.

The Biden administration isn’t proposing to outlaw the fossil-fuel-powered appliances. But they’re at the center of a growing nationwide debate about city and state gas bans — and the latest Washington culture war.