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About Us

Carbon Brief is a UK-based website covering the latest developments in climate science, climate policy and energy policy. We specialise in clear, data-driven articles and graphics to help improve the understanding of climate change, both in terms of the science and the policy response. We publish a wide range of content, including science explainers, interviews, analysis and factchecks, as well as daily and weekly email summaries of newspaper and online coverage.


● In 2020, Leo Hickman was named “editor of the year” by the Association of British Science Writers.

● In both 2020 and 2019, Carbon Brief won the Association of British Science Writers’ award for “innovation of the year” for interactive features on, respectively, the UK’s electricity supply and the impacts of climate change.

● In 2020 and 2018, Carbon Brief was “highly commended” by the Royal Statistical Society for, respectively, its data visualisation and investigative journalism.

● In 2019, Carbon Brief was shortlisted in the “maps, places and spaces” category of the  “Information is Beautiful” awards.

● In 2018, Carbon Brief won the “energy and commodities” category of the Press Gazette’s British Journalism Awards for Specialist Media. We were also a finalist in the “science and health” category.

● In 2017, Carbon Brief won the “Best Specialist Site for Journalism” category at The Drum Online Media Awards.

The team

Leo Hickman (@LeoHickman) is our director and editor.
Leo previously worked for 16 years as a journalist, editor and author at the Guardian newspaper. Before joining Carbon Brief, he was WWF-UK’s chief advisor on climate change. In 2013, he was awarded an honorary doctorate by the University of Exeter in recognition of his journalism. His books include A Life Stripped Bare, The Final Call and Will Jellyfish Rule the World?

Simon Evans Dr Simon Evans (@DrSimEvans) is our deputy editor and policy editor.
Simon covers climate and energy policy. He holds a PhD in biochemistry from the University of Bristol and previously studied chemistry at the University of Oxford. He worked for environment journal The ENDS Report for six years, covering topics including climate science and air pollution.

robert-mcsweeney-bio-pic Robert McSweeney (@rtmcswee) is our science editor.
Robert holds an MEng in mechanical engineering from the University of Warwick and an MSc in climate change from the University of East Anglia. He previously spent eight years working on climate change projects at the consultancy firm Atkins.

Daisy Dunne

Daisy Dunne (@daisydunnesci) is our special correspondent.
Daisy holds a BSc in biology from the University of Bristol and a science journalism MA from City, University of London. She was the Independent’s climate correspondent from November 2020 to 2021. Prior to this, she was Carbon Brief’s science writer from 2017 to 2020.

Josh GabbatissJosh Gabbatiss (@Josh_Gabbatiss) is our policy correspondent.
Josh holds a BSc in zoology from the University of Bristol. He previously worked as science correspondent at The Independent and prior to that was a freelance journalist for a variety of scientific publications including New Scientist and BBC Earth.

Ayesha-TandonAyesha Tandon (@AyeshaTandon) is our science journalist.
Ayesha holds an MSci in natural sciences, specialising in climate science, from the University of Exeter. She previously worked at the UK Met Office as a climate science communicator.

Zeke Hausfather

Dr Zeke Hausfather (@hausfath) is a climate science contributor for Carbon Brief. Zeke has masters degrees in environmental science from Yale University and Vrije Universiteit Amsterdam, and a PhD in climate science from the University of California, Berkeley. He has spent the past 10 years working as a data scientist and entrepreneur in the cleantech sector.

Giuliana ViglioneDr Giuliana Viglione (@GAViglione) is our food systems journalist.
Giuliana has a PhD in environmental science, specialising in oceanography, from the California Institute of Technology. She previously worked at Nature and Chemical & Engineering News and freelanced for several scientific publications.


Aruna Chandrasekhar (@aruna_sekhar) covers land, food systems and nature.
Aruna holds an MSc in environmental change and management from the University of Oxford. She previously worked as a freelance journalist for a variety of publications, including the New York Times, Guardian, Scroll and Caravan.

Xiaoying-YouXiaoying You (@xiaoying_you) is our China editor.
Xiaoying grew up in Shanghai and has worked for various international media organisations over the past 15 years. She worked previously at MailOnline for six years, helping to establish its China news desk. In Shanghai, Xiaoying was the China editor of CNNGo, a CNN travel and lifestyle website.

Tom PraterTom Prater (@tomoprater) is our senior multimedia producer.
Tom completed a MSc in digital journalism at Goldsmiths, University of London in 2017. He holds a BA (Hons) in art and visual culture from University of the West of England, and has previous experience working for King’s College London.


Joe Goodman (@joejgoodman) is our multimedia producer.
Joe holds an MA in interactive journalism from City, University of London and a BA in archaeology from the University of Cambridge. He has previously reported for the Guardian, Vice, Dazed, Land Magazine and the Ecologist.

Rebecca Daniel (@themarinediary) is our digital marketing manager.
Rebecca holds a BSc in biological sciences from the University of Durham, as well as a MSc in tropical marine biology at the University of Essex. She has experience of working in environmental services and communications, and runs a marine science non-profit organisation, The Marine Diaries.

Rae-Anne-HadmondRae-Anne Hadmond is our office manager.
Rae-Anne has more than five years experience working as a team coordinator and personal assistant at a range of workplaces, including the NHS and renewable energy sector.

Anastasiia Zagoruichyk (@NZagoruychik) is a visiting journalist focusing on Germany, Ukraine and Russia.
Anastasiia holds a BSc in political science from the Taras Shevchenko University in Kyiv. In 2021, she won a journalism scholarship from Internews to cover COP26. As a freelancer, she has had articles published in the Independent and the Scotsman.

Contributing editors

Our editorial team is kindly supported by a handful of UK-based scientists, each specialising in various areas of climate science. As contributing editors, they help to keep us up-to-date with the latest scientific developments, as well as advising us, when required, on matters of scientific accuracy. Our contributing editors are not paid by Carbon Brief and do not endorse our content.

Richard Allan Richard Allan (@rpallanuk)
Richard is a
professor of climate science at the department of meteorology, part of the University of Reading with affiliation to the National Centre for Atmospheric Science, the National Centre for Earth Observation and the Walker Institute. His research focuses on how much the Earth will warm in the current century and what the implications might be for the global water cycle. He is the principal investigator on the Natural Environment Research Council’s DEEP-C project (Diagnosing Earth’s Energy Pathways in the Climate system).

Mark Brandon Mark Brandon (@icey_mark)
Mark is
professor of polar oceanography at the Open University’s department of environment, earth and ecosystems. His research interests are Antarctic polar oceanography and he specialises in the use of robotic and remote sensing technologies. In 2012, he won the Times Higher Education Award for “Most Innovative Teacher of the Year”. He was the principal academic advisor on BBC’s Frozen Planet series.

95-piers-forster Piers Forster (@piersforster)
Piers is
professor of physical climate change at the University of Leeds, where he has been since 2005. He studied physics at Imperial College and gained a PhD in meteorology from the University of Reading in 1994. He spent part of his research career working at NOAA in Boulder, Colorado. His expertise is in quantifying the causes of climate change and how the climate responds. He is currently researching geoengineering methods and decadal variability. Piers was a lead author on both the AR5 and AR4 IPCC assessment reports.

95-gabriele-hegerl Gabriele Hegerl
Gabriele is
professor of climate system science at the School of Geosciences at the University of Edinburgh, where she has been since 2007. Her research focuses on variability and change in climatic extremes and precipitation, estimating climate sensitivity, and the use of palaeo proxy data to study climate variability and change during the last millennium. She was a member of the core writing team for the IPCC’s AR5 synthesis report. She has been the chair of the scientific review group of the UK’s Met Office Hadley Centre since 2014.

Simon Lewis Simon Lewis (@simonllewis)
Simon is
professor in global change science at University College London. He holds an equivalent position at the University of Leeds. He was a Royal Society university research fellow (2004-2013), and in 2011 received a Philip Leverhulme Prize recognising the international impact of his research. In 2014, he was listed as one of the world’s most highly cited scientists in the environment/ecology field. Simon is a plant ecologist by training with a central focus on the tropics and global environmental change, including climate change. His primary interest is in how humans are changing the Earth as a system.

Tim Osborn Tim Osborn (@TimOsbornClim)
Tim is the director of the Climatic Research Unit and a professor of climate science within the School of Environmental Sciences at the University of East Anglia, where he has worked since 1990. His research focuses on identifying variations in climate – observed, modelled and recorded in climate proxies – and understanding their causes, both natural and anthropogenic climate processes. He was a lead author on IPCC AR5, contributing to the chapters concerned with palaeoclimatic information and with the detection and attribution of climate change.

95-camille-parmesan Camille Parmesan
Camille is a
professor in the Marine Institute at Plymouth University where she holds the National Aquarium chair in the public understanding of oceans and human health. She is also an adjunct professor in the department of geology and a senior research fellow in the Environmental Science Institute at the University of Texas at Austin. Her research focuses on the biological impacts of anthropogenic climate change in natural systems and she is one of the world’s most highly cited academics in the field of climate change. She has been involved with the IPCC for more than 15 years.

Peter Stott Peter Stott (@StottPeter)
Peter leads the climate monitoring and attribution team at the Met Office Hadley Centre for Climate Science and Services, one of the world’s leading climate change research centres. He is an expert in the detection and attribution of climate change and is a co-editor of an annual report explaining extreme weather events from a climate perspective that is published in the Bulletin of the American Meteorological Society. He was coordinating lead author for Chapter 10 (Detection and attribution of climate change: from global to regional) of the Working Group 1 of IPCC AR5.

Thanks also to our volunteer comment moderators and guest contributors for their support and assistance.


We are grateful for the support of the European Climate Foundation, which provides our funding. In the spirit of transparency, we voluntarily declare that this funding totalled £853,442 for the financial year of 2021.


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