I'm SHOCKED!

I mean, I thought these people never engaged in groupthink:

In a 5-4 decision, the court said the Clean Air Act gives the Environmental
Protection Agency the authority to regulate emissions of carbon dioxide and
other greenhouse gases from cars.
[...]
The court's four conservative justices _ Chief Justice John Roberts and
Justices Samuel Alito, Antonin Scalia and Clarence Thomas _ dissented.