On March 12, 2025, EPA Administrator Lee Zeldin announced the agency will undertake 31 historic actions in the greatest and most consequential day of deregulation in U.S. history, to advance President Trump’s Day One executive orders and Power the Great American Comeback. Combined, these announcements represent the most momentous day in the history of the EPA. While accomplishing EPA’s core mission of protecting the environment, the agency is committed to fulfilling President Trump’s promise to unleash American energy, lower cost of living for Americans, revitalize the American auto industry, restore the rule of law, and give power back to states to make their own decisions. For the full list of deregulatory actions and more information, view the press release.