Global Carbon Project
University of Exeter
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Global Carbon Budget

The critical annual update revealing the latest trends in global carbon emissions

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The Global Carbon Budget Office is led by Professor Pierre Friedlingstein from the University of Exeter’s Global Systems Institute with the support of more than 100 people from 70 organisations in 18 countries.

Since 2006, as part of the Global Carbon Project, the Global Carbon Budget has provided a wealth of information on carbon emissions and the ramifications for reaching the global climate goals.

Fossil fuel CO2 emissions hit record high in 2025

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Global Carbon Budget and University of Exeter at COP30

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Fossil fuel CO2 emissions increase again in 2024

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Fossil fuel CO2 emissions increase again in 2025

Global carbon emissions from fossil fuels are projected to rise by 1.1% in 2025 – reaching a record high, according to new research by the Global Carbon Project.

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Key Messages from GCB 2025


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Read the GCB 2025 Report in Full


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University of Exeter and COP 30

Learn more about some of our events and activities


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Climate Targets

ARE WE ON TRACK?


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FAQs about the GCB and climate policy


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GCB 2025 in figures and graphs


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A closer look at the data


The Latest GCB Data (2025)


2024 Videos

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