Guest Speakers
and Presentations
HPAC regularly hosts presentations by their participants and other leading experts on a variety of global climate issues. Recordings, links to the presentation slides, and references, for these sessions are available below.
Guest Speaker Recordings, Slides & References
Anni Pokela and Viktor Jaakkola, Leaders of Operaatio Arktis, a Finnish youth-led climate action group.
Recording: Preserving Polar Ice Caps and Preventing Global Tipping Points Aug. 22, 2024
Website: https://www.operaatioarktis.fi/
Franz Oeste and Clive Elsworth, Engineers and entrepreneurs who have worked for many years on Iron Salt Aerosol and other direct climate cooling and methane removal efforts.
Recording: Cooling the Planet with Natural tropospheric Aerosol Processes (NTAP) Aug. 8, 2024
Slides: Cooling the Climate with Natural Tropospheric Aerosol Processes (NTAP)
Peter Fiekowsky, MIT-educated physicist and Silicon Valley entrepreneur and philanthropist with 27 patents and a long-term leader of the climate restoration movement.
Recording: The Climate Restoration Roadmap July 14, 2024
Book (with Carole Douglis): The Only Future That Will Sustain the Human Race (2022).
Walker Lee, Postdoctoral Research Associate at the National Center for Atmospheric Research
Recording: Marine Cloud Brightening Global Impact Modeling June 27, 2024
Slides: The Design Space of Marine Cloud Brightening
Oswald Petersen, CEO of Atmospheric Methane Removal AG
Recording: GeoRestoration with Methane Removal May 16, 2024
Herb Simmens, Author of A Climate Vocabulary for the Future
Recording: Meeting on Climate Vocabulary May 2, 2024
Recording: Setting a Sea Level Rise Limit,The Upper Limit Project April 4, 2024
Slides: The Upper Limit Project
Peter Ward, Professor of Biology, Professor of Earth and Space Sciences, University of Washington
Recording: Our Flooded Earth: Not if, but when March 7, 2024
Slides: Our Flooded Earth: Not if, but when
Dennis Garrity, Chair of the Board, Global EverGreening Alliance.
Recording: Direct Climate Cooling Advocacy Feb. 22, 2024
Slides: What's the Plan for Climate Cooling Advocacy
Dr. Katherine Romanak, Research Professor at the Bureau of Economic Geology, Jackson School of Geosciences, UT Austin.
Recording: Carbon Capture - Monitoring, Safety, and Geologic Impact of Underground CO2 Injection Feb. 8, 2024
Gideon Futerman, Researcher, interaction of SRM and Global Catastrophic Risk, Center for the Study of Existential Risk, Cambridge
Recording: What's the worst that could happen? Interaction of SRM and Global Catastrophic Risk Jan. 25, 2024
Companion Materials: https://egusphere.copernicus.org/preprints/2023/egusphere-2023-1753/
Viktor Jaakkola, Operaatio Arktis and Hugh Hunt, Deputy Director, Cambridge Centre for Climate Repair,
Recording: Experiences and Impressions of COP28 Jan. 11, 2024
Robert Tulip, Researcher and Author, Climate change, Jungian psychology, mythology, astronomy, and religion.
Recording: Religion's Ambiguous Relationship with Climate Change Dec. 14, 2023
Companion Paper: Religion's Ambiguous Relationship with Climate Change
Bruce Melton PE, Director, Climate Change Now Initiative; President, Melton Engineering Services, Austin.
Recording: A Photo Journal of Climate Impact Across America Nov 30, 2023
Michael MacCracken, Chief Scientist for Climate Change, The Climate Institute.
Recording: Communicating with Decisionmakers on Climate Change November 16, 2023
Doug MacMartin, Associate Professor, Mechanical and Aerospace Engineering, Cornell University
Recording: Sunlight Reflection Methods Nov. 2, 2023
Slides: Overview 2023
Alan Gadian, Visiting Scientist, National Center for Atmospheric Science and Research Scientist, University of Leeds
Recording: Is the planet really being cooked? What can be done about it quickly? Oct. 5, 2023
Chris Field, Co-chair of Group of Experts on the Scientific Aspects of Marine Environmental Protection (GESAMP) Working Group 41 on ‘Ocean Interventions for Climate Change Mitigation
Recording: Conversation about the Overshoot Commission Report Sept 21, 2023
Podcast: HPAC takes over the Reviewer 2 (R2) podcast!
Chris Vivien, Co-Chair WG41 Joint Group of Experts on the Scientific Aspects of Marine Environmental Protection (GESAMP)
Recording: Governance of Ocean Intervention for Climate Intervention Aug. 24, 2023
Slides: The London Protocal and Marine Geoengineering
Why it is Not a Good Idea to Fertilise Ocean Gyres?
Phoebe Barnard, Founding CEO/Exec Director of the Stable Planet Alliance
Recording: The Global Restoration Alliance July 13, 2023
Oliver Morton, Editor, The Economist; Author, The Planet Remade: How Geoegnineering Could Change the World
Recording: Conversation with Oliver Morton June 29, 2023
Graeme Taylor, Co-author (with Sue Vink) of Managing the risks of missing international climate targets May 4, 2023.
Recording: The Scientific Fallacies Preventing Effective Climate Mitigation
Link to Managing the risks of missing international climate targets.
David Spratt, Research Director at Breakthrough National Center for Climate Restoration
Recording: Conversation with David Spratt April 20th, 2023
David Keith, Professor of Applied Physics and Public Policy at Harvard, Founder of Carbon Engineering
Recording: Conversation with Dr. David Keith April 4, 2023
Zeke Hausfather, Climate Research Lead at Stripe, The Breakthrough Institute Senior Fellow
Recording: Conversation with Zeke Hausfather March 23 2023
Robert Chris, Researcher and Author, Systemic Factors influencing global climate policy; PhD, Philosophy
Robert Tulip, Researcher and Author, Climate change solutions; Australian Agency for International Development, 1989-2017;
Master’s Degree, Ethics and Ontology
Recording: Two Roberts Wrestle with Moral Hazards March 9, 2023
Dr. Martha Schwartz, Research Professor, Harvard Graduate School of Design,
Recording: The Urban Landscape and The Future of Cities February 26, 2023
Slides: Climate Change and the Urban Environment
Luke Iseman, Co-Founder, Make Sunsets
Recording: Make Sunsets Overview February 9, 2023
Brad Ack, Chief Executive Officer, Ocean Visions
Recording: Advancing Solutions for Ocean-Climate Restoration January 3, 2023
Dr. Shaun Fitzgerald OBE FREng, Director Centre for Climate Repair(CCRC), Cambridge
Recording: CCRC Climate Solutions Research Update December 15, 2022
Slides: The Three "R's" of Climate Repair
Conversation with Biochar Expert Panel: Shannon Lee, John Frank, Tony Miller, Brian von Herzen, Matt Lucas, Andrew North and Matt Beres.
Recording: Biochar: What it is and what can be done with it December 1, 2022
Slides: BioChar Herzt Summer Workshop
Peter Eisenberger, "Rapid Scaling of Equitable Climate Innovations"
Recording: Rapid Scaling of Equitable Climate Innovations November 17, 2022
Andrew Lockley, Research Associate, University College London
Recording: The Case for Geoengineering October 20, 2022
Dr. Jesse Reynolds, Executive Secretary, The Climate Overshoot Commission
Recording: The Climate Overshoot Commission September 8, 2022
Slides: Dr. Jesse Reynolds, Climate Overshoot Commission HPAC Presentation
Soumitra Das, President, Healthy Climate Initiative
Slides: Climate Benefit Concert for Saving the Himalayan Glaciers August 5, 2022
Ye Tao, Founder & Director, MEER
Recording: Solar Radiation Management: Cooling the Planet with Surface Reflectors April 21, 2022
Robert Tulip, Director, Iron Salt Aerosol
Slides: 1. Climate Arithmetic 2. Global Solutions 3. A Starting Point April 7, 2022
Stephen Salter, Professor Emeritus, Engineering Design, University of Edinburgh
Recording: How Marine Cloud Brightening Can Cool the Planet March 23, 2022
David Mitchell, Associate Research Professor (Emeritus), Division of Atmospheric Sciences, Desert Research Institute, Reno, Nevada
Slides: Can Cirrus Clouds Cool the Arctic? March 10, 2022
Will Burns, Visiting Professor, Environmental Policy & Culture Program, Northwestern University
Recording: Climate Change Solutions Governance Issues
Brian Von Herzen, Executive Director, The Climate Foundation
Ron Baiman, Author and Associate Professor of Economics, Benedictine University
Recording: Our Two Climate Crises March 5, 2022
Slides: Our Two Climate Crises Challenge
References: Our Two Climate Crises Challenge: Urgent Cooling and Long-Run GHG Removal & Ecological Regeneration August 1, 2022
Tom Goreau, President, Global Coral Reef Alliance
Recording: Biorock Technology for Marine Ecosystem Restoration, Shore Protection, and Climate Change Adaptation Feb. 25, 2022
Bru Pearce, Author and Director of Management, Envisionation
Slides: Envisionation: Biosphere Restoration Plan February 2022
Rafe Pomerance, Senior Arctic Policy Fellow, Woodwell Climate Research Center,
Recording: A Conversation with Rafe Pomerance December 16, 2021
References:
Herb Simmens, Author of A Climate Vocabulary of the Future
Slides: Climate Restoration Through the Climate Quad September 29, 2021