UN report says US emissions surge drove worse global warming outlook
A new UN Environment Programme report finds global warming is now projected to reach 2.2°F (1.2°C) above current temperatures if countries meet their pledges, worse than last year's forecast. The report attributes this partly to the US formally withdrawing from the Paris Agreement and says US emissions rose by 133 megatons of CO2 equivalent in 2025, far more than any other nation, driven by higher electricity demand and increased coal power use.
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The findings suggest the US accounted for roughly 70% of the total emissions increase among countries that saw a rise, even as most other major economies cut or slowed their emissions growth, according to the report. An Australian climate scientist quoted in coverage characterizes US policy as actively undermining renewables and encouraging coal, which could complicate international climate diplomacy if other nations feel discouraged from pursuing their own reductions.
- UN projects warming of 2.2°F (1.2°C) above current levels if pledges are met, worse than last year's estimate.
- US emissions rose 133 megatons of CO2 equivalent in 2025, far exceeding any other country's increase.
- Report links the worsened outlook partly to the US withdrawal from the Paris Agreement and a coal power rebound.
Source: fastcompany.com, 2026-10-21
Published there as: “The UN’s latest climate change report is spotlighting the U.S., and not for a good reason”
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