Day 2: Tuesday 24 October

For the .pdf of the program (as of 20 October 2023), click here.
For the details of each session, click on the title.
Note: The program will be updated with allocation of rooms for side events when that is finalised.

8:30 - 10:00 Plenary in the Dome DOME

Human Interactions with Climate
: Heide Hackman (Director of Future Africa and Strategic Advisor on Transdisciplinarity and Global Knowledge Networks at the University of Pretoria, South Africa)

  • Tasneem Essop (Executive Director, Climate Action Network - International) - Remotely: How to deal with climate extremes, especially in terms of inequality and climate injustice
  • Saleemul Huq (Director International Centre for Climate Change and Development, Independent University Bangladesh) - Remotely: Attribution of climate change, especially in the Global South and in support of Loss and Damage (Title to be confirmed)
  • Aromar Revi (Director, Indian Institute for Human Settlements - IIHS) -  Remotely (TBC) : Building a bridge between climate science and accelerated climate action

Panel discussion: Human Interactions with Climate - a dialogue covering behavioral, social, economic and political dimensions
Moderator: Mercedes Bustamante (Professor, University of Brasilia and Coordination of the Improvement of Higher Education Personnel, Brazilian Ministry of Education)


  • Laurice Jamero (Climate Change, Adaptation and Resilience Expert - Klima Laboratory, Manila Observatory and Asia Foundation Development Fellow)
  • Osvaldo Moraes (Director of Climate and Sustainability of the Brazilian Ministry of Science and Technology)- Remotely
  • Ousmane Ndiaye (Director of Meteorology of the Senegal National Agency for Civil Aviation and Meteorology - ANACIM) - Remotely
  • Flavien Joubert  (Minister for Agriculture, Climate Change and Environment of Seychelles) - Remotely
10:00 - 10:30 Break   Tea and coffee break
 10:30 - 12:30 5 Parallel Sessions DOME

Convenors: Thomas Stocker - University of Bern, Switzerland; Katrin Meissner - University of New South Wales, Australia; Krishna Achuta Rao - Indian Institute of Technology, India

Session description : Advances in assessment, understanding, modeling and impact of potential rapid and/or irreversible changes (sometimes known as “tipping points”) in the climate system potential irreversible changes in ice sheets, sea-ice, forests, permafrost, AMOC and coral reefs etc.

Keynote speakers:

  • "Hysteresis and irreversibility in a climate system", Soon-Il An - Yonsei University, Republic of Korea - Remotely
  • "The role of internal variability and feedbacks controlling AMOC stability", Anastasia Romanou - NASA, USA
  • "Earth system tipping points and how to anticipate them", Niklas Boers - Technical University of Munich, Germany - Remotely
S13: Carbon cycle (Themes 1, 2)

Convenors: Galen McKinley - Columbia University, USA; Pedro Monteiro - Stellenbosch University, South Africa; Ana Bastos - Max-Planck-Institut für Biogeochemie, Germany

Session description: Advances in understanding of the land and ocean carbon cycle perturbation over the historical period and into the 21st century and beyond.

Keynote speakers:

  • "What have we learned about the carbon cycle in the past 10 years?", Pep Candell - CSIRO, Australia
  • "Investigating the carbon cycle response in low emissions scenarios", Kirsten Zickfeld - Simon Fraser University, Canada - Remotely
  • "Detecting the impact of extreme climate events on terrestrial biosphere carbon cycle from space" Junjie Liu - NASA JPL, USA - Remotely
  • "Regime change in the mechanism of CO2 uptake in the Southern Ocean under high emission scenario", Precious Mongwe - CSIR, South Africa

Convenors : Bruce Hewitson - Capetown University, South Africa

Session description : The power of learning from humility, honesty and admitting failure. How climate services can go wrong. Contested power dynamics. Mis-communicating certainty. Misunderstandings and confusion. Assumptions and biases. Cross-cultural complications. Fostering a community of collaboration versus competition.

Keynote speakers:

  • "F(r)iction and Friendship: partnerships in Africa between the global north and south", Bruce Hewitson - Capetown University, South Africa
  • "International best practices for climate risk resilience in African developing countries", Oratilwe Khoza - University of the Free State, South Africa

Convenors: Chris Lennard - University of Cape Town, South Africa; Addisu Semie - Addis Ababa University, Ethiopia; Elisabeth Vogel - University of New South Wales (UNSW), Australia

Session description : Assess impact of climate change (including extremes) on human systems with a focus on water resources, agriculture and food supply, etc.

Keynote speakers:

  • "Thinking beyond the mean – How taking an extreme view on climate change empowers prediction", Chris Funk - Climate Hazards Center (CHC), USA
  • "Rethinking Africa Climate Services: Opportunities for strengthening resilience and sustainability", Arame Tall - Climate Change Group, World Bank - Remotely
  • "Non-linear climate change impacts on crop yields may misinform stakeholders", Alexander Ruane - NASA Goddard Institute for Space Studies, USA

Convenors: Bjorn Stevens - Max-Planck-Institut für Meteorologie, Germany; Ruby Leung - Pacific Northwest National Laboratory, USA; Tianjun Zhou - Chinese Academy of Sciences, China

Session description : Advances in global and regional climate and Earth System modelling, including the benefits of increasing resolution, improved parametrizations and ensembles for exploring uncertainty. Including novel techniques with artificial intelligence and machine learning.

Keynote speakers:

  • "An African-based Earth System model: verification of land-atmosphere fluxes",Francois Engelbrecht - University of Pretoria, South African
  • "Improving Earth System Model Parametrizations with Machine Learning", Veronika Eyring - DRL, Germany
  • "Toward a Python-based computing and data platform for kilometer-scale weather and climate modeling", Nicolas Gruber - ETHZ, Switzerland
12:30 - 14:00

Lunch session

Townhalls, Learning Labs, Workshops

 AD11 TH12: Climate change science and research in Rwanda
 MH1 TH06: Addressing barriers to a diverse and inclusive climate modelling community
 MH2 TH11: Celebrating an Earth Systems Science Pioneer – Professor Will Steffen. A session to honour Will’s scientific and broader legacy to Earth System Science
 MH3 TH15: Solar Radiation Modification research and international scientific cooperation
 AD1 WM07: New economic appraisal methods for decision-making on climate and environmental policies
14:00 - 16:00 5 Parallel Sessions DOME

Convenors: Toste Tanua - GEOMAR, Germany; Magdalena Balmaseda - ECMWF, UK; Juan Ruiz - Centro de Investigaciones del Mar y la Atmósfera (CIMA), Argentina

Session description : Advances in observing the climate system, including new space-based and Earth-based platforms, new technologies, and new data sets, and advances in data assimilation and reanalysis, with a particular focus on climate science requirements and opportunities. Including novel techniques with artificial intelligence and machine learning.

Keynote speakers:

  • "Constraining historical ocean carbon uptake with models, machine learning and data", Galen McKinley - Columbia University, USA
  • "Internationally Coordinated, Top-down Global Greenhouse Gas Monitoring, a WMO initiative", Lars Peter Riishojgaard - WMO, Switzerland

Convenors: Sandrine Bony - Laboratoire de Météorologie Dynamique (LMD-IPSL), France; Steven Sherwood - University of New South Wales (UNSW), Australia; Masahiro Watanabe - University of Tokyo, Japan

Session description : Advances in understanding the physical feedbacks which shape the climate response to radiative forcings, and their combination to determine transient and equilibrium climate sensitivity. The role of clouds in the climate system is a particular focus.

Keynote speakers:

  • "Convective aggregation and climate", Adrian Tompkins - ICTP Trieste, Italy
  • "Recent advances in understanding the longwave clear-sky feedback", Nadir Jeevanjee - NOAA/GFDL, USA
  • "Climate sensitivity – the IPCC AR6 assessment and beyond", Trude Storelvmo - University of Oslo, Norway

Convenors: Ángel G. Muñoz - Barcelona Supercomputing Center, Spain; Franck Eitel Ghomsi - University of Yaounde, Cameroon; Yong Luo - Tsinghua University, China

Session description: Developing early warning systems. Impact and risk probability. Integration with quantitative impact analyses (contributions to IPCC AR7 and Global Stocktake). Climate triggers for anticipatory adaptation.

Keynote speaker:

  • "COVID Impacts Cause Critical Gaps in the Indian Ocean Observing System", Janet Sprintall - Scripps Institution of Oceanography, USA

Convenors: Julia Pongratz - Ludwig-Maximilians-Universität München, Germany; David Lawrence - UCAR, USA; Anna Ukkola - University of New South Wales (UNSW), Australia

Session description : Role of changes in land cover and land use on the Earth system. This includes changes in biophysical and biogeochemical cycles and includes direct human alteration of the continental water cycle.

Keynote speaker:

  • "Anthropizing CESM's terrestrial water cycle", Thierry Wim -Vrije Universiteit Brussel, Belgium - Remotely

Convenors: Thando Ndarana - University of Pretoria, South Africa; Tiffany Shaw - University of Chicago, USA; Marcia Zilli - University of Oxford, UK

Session description : Advances in understanding processes and variability of eddies, storm tracks and jets from mesoscale to planetary scale at all latitudes and levels in the atmosphere and ocean. Studies related to dynamical mechanisms of the storms and jet response to climate change will be included.

  • "The role of eddies and jets in shaping the climate"Sukyoung Lee - Penn State University, USA
  • "Feature-based analysis of the North Atlantic eddy-driven jet stream"Amanda Maycock - Leeds University, UK
  • "The dynamics of different types of Rossby wave breaking in the South African domain"Thando Ndarana - University of Pretoria, South Africa
16:00 - 18:00 Posters & Refreshments   Live poster session at KCC
  • Sessions: S04, S06, S11, S12, S13, S17, S19, S21, S38, S40
  • Poster Clusters:  PC11, PC12, PC13, PC14, PC15, PC16, PC17, PC18, PC20, PC22
16:30 - 17:45 Forum   WCRP Core Projects & Lighthouse Activities
  • 16h30-16:45 - Susann Tegtmeier (University of Saskatchewan): The Earth System Modelling and Observations (ESMO), a Core Project of WCRP
  • 16:45-17:00 - Peter Dueben (ECMWF): Digital Earths (DE), a WCRP Lighthouse Activity
  • 17:00-17:15 - Julie Arblaster (Monash University) & Robert Pincus (LDEO/ Columbia University): WCRP Coupled Model Intercomparison Project (CMIP)
  • 17:15-17:30 - Xubin Zeng (University of Arizona): The WCRP Global Precipitation Experiment (GPEX)
  • 17:30-17:45Dorcas Kalele (University of Nairobi) & Melissa Hart (University of South Wales) & Chris Lennard (University of Cape Town): The WCRP Academy
18:00 - 18:45 Plenary in the Dome
Bringing it all together

Perspectives of Transformational Challenges - Examples from the Global South
Chair: Maria Ivanova (Director of the School of Public Policy and urban Affairs - Northeastern University; Professor of Public Policy)

  • Maxwell Gomera (UNDP representative of Rwanda): Equitable Transformation: Uniting for Climate Resilience in the Global South
  • Abou Amani (Director, Intergovernmental Hydrological Program) - Remotely: Water security under a Changing Environment
From 18:45 Free  time  

Dining, networking, socializing

20:00 - 22:00

Evening Session

Townhalls, Learning Labs, Workshops

 AD1 LL05: Hands-on Introduction on running the Community Earth System Model (CESM) (starts at 19:00)
 MH1 TH04: Schmidt Futures Virtual Earth Systems Research Institute Short talk Series
 AD10 TH07: CORDEX Africa
 AD11 WM08: Early Career Researchers Network of Networks Workshop on Multidisciplinary Approaches to Climate Change Mitigation (Part 1)

Early and Mid-Career Researchers (EMCR) table topics (recommended for EMCRs)
Dr. Valérie Masson-Delmotte
Sharing experiences: curiosity-driven climate research, climate literacy, knowledge to inform climate action
See the flyer here



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