Global average temperature projected to remain constant after reaching zero CO2 emissions according to 4C report

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The carbon budget is a powerful concept developed in the last decade to assess how much additional carbon dioxide (CO2) humans can emit before a temperature target will be reached with a given probability. It provides critical knowledge to policymakers in order to prepare appropriate mitigation plans.

Better understanding the relationship between the temperature increase and cumulative CO2 emissions is crucial in determining how the global mean temperature will change after emissions reach zero.