Supreme Court justices drew bright lines on Thursday around EPA authority to regulate one of the biggest sources of climate-warming emissions in the U.S., a move legal experts say will reverberate deeply in climate policy and environmental regulation more broadly.
The Environmental Protection Agency is limited in how it can act to stem emissions for coal and gas plants, according to a long-awaited ruling in West Virginia v. EPA, a petition brought by mining companies and Red states in response to a lower court decision scrapping less-stringent power plant rules.
The ruling wasn’t as sweeping as legal experts say ...