In a significant move, the Trump administration has repealed the 2009 endangerment finding that acknowledged the threat of greenhouse gases to human health and welfare. This reversal is a notable deregulatory action with far-reaching implications for climate policy in the U.S. The decision to reject scientific evidence regarding the harms of climate change raises concerns about the future of environmental protection and the commitment to addressing the global climate crisis. This news underscores the importance of strong, science-based climate policies and the need for continued advocacy for evidence-informed decision-making.