The E.P.A.'s Disastrous Plan to End the Regulation of Greenhouse Gases

The Supreme Court ruled in 2007 that the E.P.A. must regulate greenhouse-gas emissions under the Clean Air Act, leading to the endangerment finding. This finding established federal limits on carbon pollution. However, the Trump Administration aims to revoke this finding, which would dismantle various regulations targeting climate change. E.P.A. administrator Lee Zeldin claimed this could become the largest deregulatory action in U.S. history. The proposed repeal might invalidate key regulations from the Biden administration aimed at reducing emissions from vehicles.

The ruling gave rise to what's known as the "endangerment finding," which has formed the basis of federal limits on carbon pollution ever since.

Lee Zeldin, the E.P.A. administrator, stated that "the proposal would, if finalized, amount to the largest deregulatory action in the history of the United States."

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