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AI data centre expansion could drive surge in carbon emissions

U.S. power-sector carbon dioxide emissions could rise 42 percent in 2030 from 2025 levels if fossil-fuel generation expands to support more AI data centres, a projection showed. Sierra Club estimated annual emissions from electricity production could reach about 2.1 billion tonnes in 2030 if planned AI data centres and related power plants are built as scheduled. The estimate is based on project plans and supply methods, not actual emissions.