Session 21
June 2, 2026
Upcoming
To be announced
Speaker and topic information pending. 12pm-1pm EST / 9am-10am PST.
Recording available
Session 20
May 5, 2026
Nitrogen Fixation: A New Pathway for Ocean Carbon Removal
Professor Seth John
University of Southern California; Growing Oceans
Introduces NFix, a marine carbon dioxide removal pathway designed for low-cost scaling. Uses iron addition to catalyze additional ocean nutrients, addressing concerns about nutrient depletion in traditional Ocean Iron Fertilization.
Recording available
Session 19
April 7, 2026
Contrails: Aviation's Near-term Climate Lever
Marc Shapiro
Executive Director, Contrails.org
Examines the science behind contrail-induced warming and navigational avoidance strategies. Persistent contrails cause roughly the same warming as 33 billion tonnes of atmospheric CO2, yet most could be prevented through minor flight adjustments at minimal cost.
Recording available
Session 18
March 24, 2026
Our Probable Futures: Risk, Resiliency and Decision Making in a Changing Climate
Probable Futures
probablefutures.org
Explores climate risks from near-term manageable challenges to longer-term potentially irreversible ones. Covers risk communication strategies proven effective with executives and investors, what climate models can and cannot tell us, and frameworks for decision making.
Recording available
Session 17
March 10, 2026
Rising Faster Than Expected: Rethinking Sea-Level Forecasts
Dr. Brent Minchew
California Institute of Technology
Sea-level rise is accelerating beyond projections. Updated analyses now forecast 4-7 feet by 2100, up from IPCC's 2 feet. Examines the scientific evidence, inadequately captured uncertainties including ice-sheet dynamics, and resulting consequences.
Recording available
Session 16
February 24, 2026
A Large Overlooked Climate Risk: Earth's Declining Reflectivity
Dr. Phil Duffy
Former Obama and Biden White House OSTP official; former President, Woodwell Climate Research Center
Since 2000, Earth has become significantly less reflective, absorbing additional energy equivalent to about 2,400 billion tons of CO2 -- roughly three times humanity's cumulative emissions. Discusses known factors and research gaps.
Recording available
Session 15
January 27, 2026
Why Youth-led Organizations are at the Forefront of Advocating for Climate Intervention Research
Operaatio Arktis & Emerging Climate Frontiers
Arctic-based and Sub-Saharan Africa-based youth-led climate organizations
A conversation with two youth-led climate organizations about their shift toward climate intervention research, how youth leadership contributes uniquely to this space, and the role of cross-regional collaboration.
Recording available
Session 14
January 13, 2026
Arctic Sea Ice and Global Climate Stability: Understanding Cascading Risks and Exploring Potential Response
Brad Ack & Dr. Virginia Selz
CEO, Ocean Visions; Director, Repair Program at Ocean Visions
Explores connections between Arctic sea ice loss and global climate stability, discusses critical tipping points in the Arctic and broader ocean system, and examines approaches to slow or reverse sea ice loss.
Recording available
Session 13
December 16, 2025
Coral Reef Conservation: The Australian Marine Cloud Brightening Research Program
Dr. Daniel Harrison
Oceanographer and engineer, Reef Restoration and Adaptation Program (RRAP)
Examines Marine Cloud Brightening (MCB) as a potential climate adaptation strategy for the Great Barrier Reef, featuring pioneering technology development, outdoor field testing, community engagement, and regulatory oversight.
Recording available
Session 12
December 2, 2025
Derailment Risk: A Strategic Blind Spot
Laurie Laybourn
Executive Director, Strategic Climate Risks Initiative; Fellow, Chatham House
Explores how climate consequences might undermine rather than reinforce climate action. Examines 'derailment risk' -- the potential that worsening impacts could reduce humanity's capacity to respond effectively.
Recording available
Session 11
November 18, 2025
The Arctic Tipping Cluster: Risk and Response
Dr. Charlotte DeWald
Director, Arctic Climate Emergencies Response (ACER) Initiative
Outlines imminent sub-2 degree C tipping points in the Arctic -- permafrost thaw, Greenland Ice Sheet, and sea ice loss -- and introduces Arctic-targeted interventions such as mixed-phase cloud thinning and sea-ice stabilization.
Recording available
Session 10
October 21, 2025
The first government research effort to predict and prevent climate tipping points
Ilan Gur, Gemma Bale & George Horner
CEO, ARIA (UK); ARIA Programme Directors
Introduction to two ARIA initiatives: Forecasting Tipping Points and Exploring Climate Cooling Programs. Explores how philanthropic funders can help catalyze greater government leadership in climate research.
Recording available
Session 9
October 7, 2025
Evaluating climate tipping points: research gaps and opportunities
Joshua Elliott
Chief Scientist, Renaissance Philanthropy; Director, ARC Initiative
Addresses shortcomings in existing climate action models, identifies critical risk categories, and introduces preliminary findings from an initiative designed to assess climate tipping point risks and direct resources toward addressing them.
Recording available
Session 8
September 25, 2025
How catastrophic climate risk fits within the larger climate action movement
Kim Stanley Robinson
Author of The Ministry for the Future
Kim Stanley Robinson, author of one of Barack Obama's favorite books of the year, examines how catastrophic climate risk initiatives integrate within the larger climate action movement.
Recording available
Session 7
September 9, 2025
Open-system carbon dioxide removal
Dr. Antonius Gagern & Dai Ellis
Executive Director, The Carbon to Sea Initiative; CEO, Cascade Climate
Overview of the open-system carbon dioxide removal ecosystem -- what open-system CDR entails, why it suits scaling efforts, advantages and disadvantages, recent research developments, and current obstacles.
Recording available
Session 6
August 12, 2025
Climate systems engineering research today
Dr. David Keith
Leads Climate Systems Engineering initiative (CSEi), University of Chicago
Overview of climate systems engineering as a field -- how sunlight reflection fits into a larger climate strategy and its relationship to carbon removal, plus practical engineering aspects of stratospheric aerosols and open ocean alkalinity.
Recording available
Session 5
July 29, 2025
Sunlight Reflection: What we know, what we don't know, and the research ahead
Dr. Daniele Visioni & Dakota Gruener
Assistant Professor, Cornell University; CEO, Reflective
An introduction to the current state of scientific research on sunlight reflection, with particular emphasis on stratospheric aerosol injection (SAI).
Recording available
Session 4
July 15, 2025
Superpollutants: The other half of warming
Erika Reinhardt & Dr. Ilissa Ocko
Co-founder, Spark Climate Solutions; Senior Climate Scientist, Spark Climate Solutions
Explores the climate impact of super pollutants including methane, nitrous oxide, and HFCs -- their contribution to warming, near-term climate risks, and strategies for reducing these emissions.
Recording available
Session 3
July 1, 2025
History of Geoengineering and the evolving climate interventions landscape
Oliver Morton
Senior Editor, The Economist; author of The Planet Remade
Historical overview of climate intervention strategies and a reappraisal of alternative approaches to managing Earth's energy systems as global temperatures exceed 1.5 degrees C of warming.
Recording available
Session 2
June 17, 2025
Managing the risk of catastrophic sea level rise
Dr. Brent Minchew
MIT glaciologist
Examines the threat of catastrophic sea-level rise from glacial collapse and potential options to stabilize the West Antarctic Ice Sheet.
Recording available
Session 1
June 3, 2025
An honest look at where we are: Accelerating warming and climate system feedbacks
Dr. Phil Duffy
Former lead Biden White House climate scientist
A comprehensive look at the accelerating pace of warming and potential adverse feedback loops in the climate system.
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