EPA Ends Effort to Measure Factory Farm Air PollutionEPA Abandons Factory Farm Pollution OversightEPA Ends Outdated Factory Farm Emissions Study
November 3, 2026: The EPA has ended its effort to develop methods for measuring air pollution from factory farms, announcing the decision on October 30 after more than two decades of work.November 3, 2026: The EPA says it will stop developing methods to measure factory farm air pollution, leaving enforcement of federal clean-air rules without a national emissions model.November 3, 2026: The EPA is ending a decades-long effort to create factory farm pollution estimates, saying old, limited data cannot support reliable methods for farmers.