Global carbon emissions and decarbonization in 2025

Deng, Z., Zhu, B. ORCID: https://orcid.org/0000-0001-9360-6797, Davis, S., Ciais, P., & Liu, Z. (2026). Global carbon emissions and decarbonization in 2025. Nature Reviews Earth & Environment 10.1038/s43017-026-00780-4.

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Abstract

Global CO2 emissions from fossil fuel combustion and industrial processes increased by +0.7% within 2025. However, large-scale deployment of clean electricity sources during the year avoided 10.3 Gt of global CO2 emissions, so that power sector emissions declined by –0.9% relative to 2024. As the remaining carbon budget for limiting global warming to 1.5 °C is projected to be exhausted by 2029 at a 50% likelihood, further accelerating the shift away from fossil fuels is essential for staying within the 2 °C temperature rise limit.

Item Type:	Article
Research Programs:	Advancing Systems Analysis (ASA) Advancing Systems Analysis (ASA) > Exploratory Modeling of Human-natural Systems (EM) Energy, Climate, and Environment (ECE) Energy, Climate, and Environment (ECE) > Integrated Assessment and Climate Change (IACC)
Depositing User:	Luke Kirwan
Date Deposited:	27 Apr 2026 09:58
Last Modified:	27 Apr 2026 09:58
URI:	https://pure.iiasa.ac.at/21509

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