In a landmark environmental policy reversal, the Trump administration has formally rescinded the 2009 “endangerment finding” that served as the legal foundation for federal climate regulations. The announcement, made at the White House on Thursday, represents one of the most significant environmental policy shifts of Trump’s second term.
President Trump framed the decision as a political victory over what he termed the Democratic Party’s “radical environmental agenda,” characterizing the move as liberation from bureaucratic overreach. The original 2009 finding, established during the Obama administration, provided scientific justification for regulating greenhouse gas emissions under the Clean Air Act, enabling policies targeting emissions from vehicles, power plants, and industrial sources.
EPA Administrator Lee Zeldin, appearing alongside the president, described the endangerment finding as the “holy grail of climate change religion” and hailed its revocation as “the single largest act of deregulation in the history of the United States.” Both officials emphasized economic benefits, arguing that eliminating these regulations would reduce energy costs for consumers and remove burdens on the automotive and fossil fuel industries.
The policy reversal sparked immediate condemnation from environmental groups and Democratic leaders. Former President Barack Obama declared on social media that the decision would leave Americans “less safe, less healthy and less able to fight climate change” while benefiting fossil fuel interests. The move continues Trump’s pattern of climate policy reversals, having previously withdrawn the U.S. from the Paris Climate Accord during his first term and again reversing Biden’s reinstatement at the start of his second term.
The political implications of this decision remain uncertain as the November midterm elections approach. While Trump and Republicans have positioned climate deregulation as economically beneficial, polling indicates growing public concern about climate change, with a 2024 Yale study showing 63% of Americans worried about global warming and a 2025 Gallup poll finding a record 48% believing it will pose a serious threat in their lifetime.