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New: We estimate that in 2025, US greenhouse gas emissions increased by 2.4%, marking a change from the prior two years of decreases in emissions. Emissions also grew faster than the economy in 2025, reversing the decoupling of emissions and economic activity of the prior two years.

The increase in emissions was driven by a rise in coal electricity generation due to higher natural gas prices and growing power demand. Colder winter temperatures also drove higher space heating demand in buildings, pushing up direct emissions from fuel use in buildings.