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Carbon emissions and climate change

The increase in atmospheric carbon dioxide contributes to the Earth's heat-trapping capacity and tightens the remaining carbon budget for limiting warming.

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Jan 30, 2026

How do short-lived climate pollutants like methane affect the likelihood of meeting the 2°C goal?

— a short-lived climate pollutant with outsized near-term warming power — materially improves the odds of keeping warming below 2 °C because rapid methane reductions slow the rate of warming in the ne...