The U.S. Environmental Protection Agency (EPA) is rolling back significant regulations on emissions from coal and gas power plants, a move the agency claims will save billions of dollars and lower energy prices. The head of the EPA, Lee Zeldin, stated that the majority of the Biden-era rules, which were designed to improve public health and combat climate change, had "exceeded the agency's authority." The EPA's position is that the previous regulations mandated control technologies that were not adequately demonstrated, effectively forcing plants to close rather than meet achievable standards.
The agency is also seeking to eliminate other greenhouse gas regulations for the power sector. Zeldin had previously proposed these changes, arguing they would ensure affordable and reliable energy supplies, reduce costs for transportation, heating, utilities, farming, and manufacturing, and bolster national security. The EPA asserted that any potential public health harms from these rollbacks are too uncertain and indirect to be specifically attributed to the U.S. power sector.
In contrast, critics argue that dismantling these rules will negatively affect public health and hinder progress in developing renewable energy sources. Fossil fuels, including coal and natural gas, are identified by the United Nations as the primary drivers of global climate change.
The Biden-era regulations had aimed for substantial reductions in carbon emissions from power plants, as well as from vehicles and industrial facilities. Projections indicated these measures could prevent approximately 4,500 premature deaths annually.
US power sector emissions have generally been on a downward trend over the past two decades, despite a slight increase last year, largely due to a decrease in coal consumption. However, the precise impact of the EPA's latest announcement on U.S. emissions and global climate change remains uncertain. Some researchers question the likelihood of a significant resurgence in coal power, citing the declining costs of clean technologies like solar power.
Previous analyses by the Rhodium Group suggested that weakening U.S. climate regulations would slow, but not reverse, emissions reductions within the country. In 2022, the Supreme Court limited the EPA's authority to regulate greenhouse gas emissions, ruling in favor of states and coal companies concerned about economic costs and challenging the agency's regulatory scope.
This decision to scrap emission limits follows other actions by the Trump administration to undo policies aimed at addressing global warming. In February, the EPA reversed a previous ruling that classified greenhouse gases as a threat to public health, a decision that had been contested by several states and local governments.