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Global Carbon Budget and University of Exeter at COP30

Global Carbon Budget and University of Exeter at COP30

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Published on 10 November 2025

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The University of Exeter will play an important role at COP30, the UN Climate Change Conference being held in Belém, Brazil from 10-21 November 2025.

With global warming set to exceed 1.5°C – breaching a goal of the Paris Agreement set at COP21 – Exeter’s experts will help provide the latest research, policy insight and solutions to the escalating climate crisis.

 

The University of Exeter is renowned for its environmental research and education, and is home many of the world’s leading climate scientists. We now have more than 1,500 people working on the environment and climate emergency. Exeter’s work at COP30 includes:


Global Carbon Budget

An image of a dandelion with seeds being blown away by the wind. The logos of Exeter Uni, Future Earth, the Global Carbon Budget and Global Carbon Project are at the top. At the bottom are white letters saying: the critical annual update revealing the latest trends in global carbon emisisons

Professor Pierre Friedlingstein leads the annual Global Carbon Budget (GCB). Now in its 20th year, GCB tracks the trends in global carbon emissions and sinks. More than 100 people from 70 organisations in 18 countries now work on GCB. This year’s report will be published on 13 November at COP30, with the findings presented at various events during the conference (see listings below).


Exeter researchers at COP30 events (all times are Brasilia Standard Time, GMT-3)

Blue Zone:

13 November
14:15
Coalition for Rainforest Nations Pavilion Professor Stephen Sitch and Dr Thaís Rosan will present the findings of the 2025 Global Carbon Budget.

 

13 November
16:30-18:00
Planetary Science Pavilion Global Carbon Budget launch event. Speakers include Professor Stephen Sitch and Dr Thaís Rosan.

 

For the full list of University of Exeter events at COP30, please visit the Green Futures website.

 


Rainforest research

A stretch of rover in a rainforest under blue skies

The University of Exeter is involved in international collaborations to research the role of tropical forests as carbon stores and for sustaining biodiversity and ecosystem services. Initiatives such as AmazonFACE, AmazonSOS and CSSP Brazil exemplify science in action to support resilience and inform policy. The AmazonFACE programme will be officially inaugurated by the Brazilian Minister for Science Luciana Santos and the UK Government’s Chief Scientific Advisor Professor Dame Angela McLean. Exeter’s rainforest experts at COP30 are: Professor Richard Betts (from the University of Exeter and the Met Office), Professor Luiz Aragao (from Brazil’s National Institute for Space Research and the University of Exeter), Professor Stephen Sitch and Dr Thais Rosan (both part of the AmazonSOS and Global Carbon Budget teams).


Parliamentarians’ Global Guide to Climate Change and Climate Solutions

The words: Parliamentarians’ Global Guide to Climate Change and Climate Solutions on a dark green background. The logos of Exeter University, Arizona State University and the Inter Parliamentary Union are at the bottom of the image

The Parliamentarians’ Global Guide to Climate Change and Climate Solutions has been published to coincide with the start of COP30. It is an updated, global version of the guide published initially for UK policymakers last year. The earlier version has already been republished in Azerbaijan and Brazil – host countries of COP29 & COP30 – and has reached more than 200,000 people so far. It has also been references in both UK Houses of Parliament.


Planetary Science Pavilion

Earth seen from space, with the sun just appearing at the edge of the planet

The University of Exeter is a core partner of the Planetary Science Pavilion, alongside research institutions from Brazil, the US and Germany, and international organisations. Mandated by the COP30 Presidency, the pavilion will serve as a high-profile platform to ensure that science is central to the agenda of COP30, enabling meaningful engagement between scientists, policymakers, negotiators, Indigenous leaders, and the wider public.


Coalition for Rainforest Nations Pavilion

A waterfall in a rainforest

The University of Exeter is a partner of the Coalition for Rainforest Nations (CfRN) Pavilion. CfRN is not-for-profit organisation whose mission is to support rainforest nations in their efforts to reverse deforestation by 2030 under the Paris Agreement. CfRN supports sovereign governments with international climate treaties, national implementation and enabling finance as well as data collection and capacity building.


ClimaVAR

A logo that says "climaVAR - your climate referee"

ClimaVAR is an open-source initiative developed by Exeter’s Nature & Climate Impact Team and supported by climate researchers, data scientists, and concerned citizens working together to combat climate misinformation. Using the football concept of the Video Assistant Referee (VAR), ClimaVAR reviews controversial claims and provides clear, science-based verdicts on climate-related content. Dr Marcos de Oliveira Jr from the Nature & Climate Impact Team will be at COP30.


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