By a 6 to 3 vote, the court said that any time an agency does something big and new — in this case addressing climate change — the regulation is presumptively invalid, unless Congress has authorized regulating in that sphere.
By a 6 to 3 vote, the court said that any time an agency does something big and new — in this case addressing climate change — the regulation is presumptively invalid, unless Congress has authorized regulating in that sphere.