The Supreme Court discards Chevron doctrine, unleashing a threat to Biden's climate policies

• Supreme Court overturns Chevron doctrine, curtailing federal regulatory power.
• Chevron doctrine allowed federal agencies to interpret ambiguous laws like the Clean Air Act.
• Biden's climate policies, including limits on power plant emissions, could face threats.

The Supreme Court on Friday overturned a decades-long legal precedent that has empowered the federal government to regulate the environment and other issues, unleashing a potential threat to President Joe Biden's climate policies.