The remaining global carbon budget for a 50 percent chance of limiting global warming to 1.5 degrees Celsius is estimated to be *** billion metric tons of carbon dioxide (GtCO₂) from the beginning of 2026. At the current rate of global CO₂ emissions, this budget would be used up in approximately four years. Since ****, some GtCO₂ have been emitted worldwide.
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Global Carbon Project. (November 12, 2025). Remaining carbon budget to limit global warming to 1.5, 1.7, and 2 degrees Celsius from 2026 (in billion metric tons of carbon dioxide) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 19, 2026, from /statistics/1455017/remaining-global-carbon-budget-by-scenario/
Global Carbon Project. "Remaining carbon budget to limit global warming to 1.5, 1.7, and 2 degrees Celsius from 2026 (in billion metric tons of carbon dioxide)." Chart. November 12, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 19, 2026. /statistics/1455017/remaining-global-carbon-budget-by-scenario/
Global Carbon Project. (2025). Remaining carbon budget to limit global warming to 1.5, 1.7, and 2 degrees Celsius from 2026 (in billion metric tons of carbon dioxide). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 19, 2026. /statistics/1455017/remaining-global-carbon-budget-by-scenario/
Global Carbon Project. "Remaining Carbon Budget to Limit Global Warming to 1.5, 1.7, and 2 Degrees Celsius from 2026 (in Billion Metric Tons of Carbon Dioxide)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 12 Nov 2025, /statistics/1455017/remaining-global-carbon-budget-by-scenario/
Global Carbon Project, Remaining carbon budget to limit global warming to 1.5, 1.7, and 2 degrees Celsius from 2026 (in billion metric tons of carbon dioxide) ÌÇÐÄÆƽâ°æ, /statistics/1455017/remaining-global-carbon-budget-by-scenario/ (last visited July 19, 2026)
Remaining carbon budget to limit global warming to 1.5, 1.7, and 2 degrees Celsius from 2026 (in billion metric tons of carbon dioxide) [Graph], Global Carbon Project, November 12, 2025. [Online]. Available: /statistics/1455017/remaining-global-carbon-budget-by-scenario/
