The IPCC AR6 Climate Science Report: a panel discussion hosted by CCfCS & Cambridge Zero

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• Speaker to be confirmed
• Tuesday 28 September 2021, 14:00-16:00
• Zoom.

If you have a question about this talk, please contact Alison Ming.

“The report provides new estimates of the chances of crossing the global warming level of 1.5°C in the next decades, and finds that unless there are immediate, rapid and large-scale reductions in greenhouse gas emissions, limiting warming to close to 1.5°C or even 2°C will be beyond reach.

The report shows that emissions of greenhouse gases from human activities are responsible for approximately 1.1°C of warming since 1850-1900, and finds that averaged over the next 20 years, global temperature is expected to reach or exceed 1.5°C of warming. This assessment is based on improved observational datasets to assess historical warming, as well progress in scientific understanding of the response of the climate system to human-caused greenhouse gas emissions.”—IPCC 2021

Cambridge Centre for Climate Science and Cambridge Zero invite you to a panel discussion about the recently published IPCC Working Group I report, Climate Change 2021: the Physical Science Basis. You will hear short summaries of the reports from IPCC authors and join in the debate.

28 September 2021

Chair:

• Eric Wolff, Royal Society Research Professor, University of Cambridge.

Speakers:

• Nicolas Bellouin, University of Reading (Chapter 3: Human influence on the climate system)
• Stephanie Henson, National Oceanography Centre (Chapter 5: Global carbon and other biogeochemical cycles and feedbacks)
• Dan Lunt, University of Bristol (Chapter 7: The Earth’s energy budget, climate feedbacks, and climate sensitivity)
• Helene Hewitt, Met Office (Chapter 9: Ocean, cryosphere, and sea level change)

2:00 to 2:55 pm: Quick summaries on various aspects of the science in the report by speakers

5 min break

3:00 to 4:00 pm: Q and A session with the panel

The event will be held on Zoom.

Please register here: https://docs.google.com/forms/d/e/1FAIpQLSc3Tl1QaJdOFinApp0gcQ-0ieTVXxgFB5-a9xVAPqkJRYnGgw/viewform?usp=sf_link

If the event is oversubscribed, priority will be given to researchers and students working in Cambridge. Please use your academic email address when registering.

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Biographies of panel:

Eric Wolff, University of Cambridge.

Eric Wolff is a Royal Society Research Professor in the Department of Earth Sciences at Cambridge University. After graduating as a chemist, he has studied ice cores from the Antarctic and Greenland for the past 40 years, using them to understand changing climate, as well as changing levels of pollution in remote areas. He also carries out research into the chemistry of the lower parts of the Antarctic atmosphere. Until June 2013, he led a programme at the British Antarctic Survey. He chaired the science committee of the European Project for Ice Coring in Antarctica (EPICA), which produced 800,000 year records of climate from the Dome C (Antarctica) ice core and for many years co-chaired the international initiative (IPICS) to coordinate future ice core research. He currently holds an ERC Advanced Grant that studies the past stability of the West Antarctic Ice Sheet. His main research goal is to understand the causes of climate evolution over recent glacial cycles. He also chairs the Royal Society’s working party on climate change, leading a number of public and policy-facing reports.

Nicolas Bellouin, University of Reading

Nicolas Bellouin is a Professor in Climate Processes at the University of Reading. He is interested in the role of aerosols in the Earth System: the coupling with atmospheric chemistry, the cryosphere, the ocean, and land surfaces. He is involved in the Climate Forcings research project of the Copernicus Atmospheric Monitoring Service, the development of the UK Earth System Model development UKESM and the Advancing the Science for Aviation and Climate (ACACIA) EU H2020 project. He was a Lead Author of Chapter 3 Human Influence on the Climate System of the 6th Assessment Report of Working Group I of the Intergovermental Panel on Climate Change, and a Coordinating Author of the Technical Summary of that report.

Stephanie Henson, National Oceanography Centre

Prof Stephanie Henson is a Principal Scientist at the National Oceanography Centre and Honorary Professor at the University of Southampton. She leads an active research group in global biogeochemical oceanography, currently made up of 20 research staff and students. Her particular research interests aim at understanding natural variability and climate change effects on phytoplankton populations and subsequent impacts on the biological carbon pump. Her research exploits autonomous vehicles, satellite and in situ data, as well as output from biogeochemical models. In 2012, she received the EGU Award for Outstanding Young Scientist for her ‘fundamental contribution to the study of marine ecosystems’, in 2016 she was awarded a highly competitive European Research Council Consolidator Grant, and in 2018 she became the Challenger Society Fellow for Biological Oceanography. She is a lead author on the Intergovernmental Panel on Climate Change’s 6th Assessment Report, on the chapter “Carbon and other biogeochemical cycles and feedbacks”.

Dan Lunt, University of Bristol

I carried out my undergraduate degree (MPhys) in Physics at the University of Oxford (1994-1998), followed by a PhD in Meteorology at the University of Reading (1998-2002). After a postdoc at the Laboratoire des Sciences du Climat et de l’Environnement (LSCE) in Paris, I moved to the School of Geographical Sciences at the University of Bristol in 2003. In 2014 I became Professor of Climate Science. I have been a visiting scientist at Stockholm University, and am currently an Affiliate Scientist at the National Centre for Atmospheric Research (NCAR) in Boulder, Colorado. In 2010 I was awarded the Philip Leverhulme Prize for my work on climate modelling. From 2007-2015 I was the founding and Chief Executive Editor of the journal Geoscientific Model Development (GMD). I lead the international DeepMIP program (www.deepmip.org), and am a Lead Author of Chapter 7 (The Earth’s energy budget, climate feedbacks, and climate sensitivity) of the Intergovernmental Panel on Climate Change (IPCC) 6th Assessment Report (AR6).

Helene Hewitt, Met Office

Helene Hewitt studied Maths at Cambridge University before studying for a PhD in Physical Oceanography at the National Oceanography Centre in Southampton. During her PhD she participated in a cruise as part of the World Ocean Circulation Experiment (WOCE) program and was a fellow at the Woods Hole Summer School. Since 1996 she has worked at the Met Office where she currently leads the Ocean Modelling Group and is a Met Office Science Fellow. At the Met Office, Helene works on the development and evaluation of ocean, sea ice and coupled models (with a particular emphasis on exploring resolution) and leads the UK Joint Marine Modelling Programme. She is a visiting professor at the University of Southampton. Helene is one of the Coordinating Lead Authors of the recently released IPCC Working Group 1 Sixth Assessment Report where she co-led the chapter on Ocean, Cryosphere and Sea Level Change.

This talk is part of the Cambridge Centre for Climate Science series.

This talk is included in these lists:

• Cambridge Centre for Climate Science
• Cambridge Energy Seminars
• Climate Science Seminars within Cambridge
• NanoDTC Energy Materials Talks
• Talks related to atmosphere and ocean dynamics and climate science
• Zoom
• history
• seminars

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