The legal battle over Biden's climate metric isn't over
The Biden administration may have dodged a blow this week in its effort to put a price tag on the cost of planet-warming emissions — but the legal fight is far from over.
For years, Republican-led states have tried — and failed — to stop the Biden administration from using interim estimates of the social cost of greenhouse gases that help federal agencies write stronger climate regulations.
Related Knowledge Center: Air emissions
More than 30 years after the last major update of the Clean Air Act, the U.S. Supreme Court has upended the ability of Congress to give the Environmental Protection Agency and other federal agencies broad scope to combat air pollution, including the emission of greenhouse gases. Meanwhile, further Biden administration efforts to limit emissions face opposition in the courts.