“Fallout from the Supreme Court’s attack on federal climate regulations is spreading throughout the executive branch, creatinglegal uncertainty for rules on topics as far afield as abortion, immigration and even amateur auto racing.
Opponents of federal actions on pipelines, asbestos, nuclear waste, corporate disclosures and highway planning are also seizing on the logic of the court’s June 30 decision, which imposed sharp limits on the Environmental Protection Agency’s authority to regulate greenhouse gases.”
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“In their decision, the high court’s six conservative justices invoked what they called the “major questions” doctrine to declare that agencies such as EPA need explicit congressional approval before “asserting highly consequential power” over almost any policy area. But they did not offer a precise definition of what would cause a regulation to qualify as major — a question that agencies and lower courts may now need to spend years wrestling with.”
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““If anything’s ambiguous at all, you get people challenging on major questions grounds, and you have to go find out if Congress gave you an extra clear statement,” said Nathan Richardson, a law professor at the University of South Carolina. He called it a reversal of the long-standing tradition of courts deferring to agencies’ policy expertise. “It’s not deference, it’s anti-deference.””