GoKawiilSierra Club: US data center buildouts could emit CO2 equal to all of Mexico by 2030
The Sierra Club estimates that planned U.S. data center construction will push power-sector carbon emissions to 2.1 billion metric tons by 2030, a 42% jump from 2025 levels, according to Bloomberg. That figure, roughly equal to Mexico's total emissions, is two to four times higher than the group's earlier projections, and would effectively erase 15 years of U.S. emissions-reduction progress.
GoKawiil's interpretation of the reporting above, not reported fact.
The report suggests that renewable energy laws covering new data centers rarely apply retroactively and often include long phase-in periods, meaning existing facilities could keep running on fossil fuels for years. With roughly 40% of U.S. data centers powered by natural gas and turbine supply backlogged into the 2030s, the gap between AI-driven demand and clean power capacity could widen rather than close, according to industry observers cited in the report.
- Sierra Club projects data centers could add 2.1 billion metric tons of CO2 by 2030, a 42% rise from 2025.
- That output would roughly match Mexico's total emissions and reverse 15 years of US climate progress.
- Natural gas still powers about 40% of US data centers, and turbine shortages may delay a shift to renewables.
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Published there as: “US data centers could wipe out 15 years' worth of progress in greenhouse gas emissions, report claims — buildouts could emit as much carbon dioxide as all of Mexico”
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