Joggers pass the Marriner S. Eccles Federal Reserve building in Washington, D.C., on Tuesday, Aug. 18, 2020.

The Federal Reserve's recent announcement that it will join the Network for Greening the Financial System, a consortium of central banks intent on using financial regulation to combat climate change, should raise concern for those observing a troubling trend in the politicization of financial supervision.

European regulators have begun injecting ill-defined climate metrics into their supervision of regulated firms and U.S. lawmakers on the far left are urging our financial regulators to join them.