New research reveals a previously uncounted benefit of the Clean Air Act—at a time when the Trump administration is weakening its protections.

Just days before leaving office, the administration has finalized its three-year rush to gut the Migratory Bird Treaty Act—despite a court ruling that its position is against the law and will increase preventable bird deaths.

Finalized bird-killer policy sidesteps the courts in a clear attempt to hamstring incoming administration from being able to protect birds.