Supreme Court Vaccine Decision Signals Trouble for Climate Rule

The Supreme Court signaled trouble ahead for broad assertions of agency power – including efforts to address climate change— in its decision striking down President Joe Biden’s vaccine-or-test mandate.

Conservative justices have embraced a judge-made “major questions” doctrine that asserts Congress—rather than agencies and courts—should tackle the biggest issues facing the country.

In the process, the court is undercutting the so-called administrative state and hamstringing regulators at a time when a deeply divided Congress shows little ability to address national crises. The next test will come in February when the justices hear arguments over whether Congress gave the EPA the ...