JUMP TO SECTION
THIS WEEK’S TOP SRM HIGHLIGHTS
Research Paper: The global climate response to High-Latitude Low-Altitude Stratospheric Aerosol Injection (HiLLA-SAI) (EGU)
Book: Building Capacity for Public Engagement on Solar Geoengineering (Cambridge University Press)
Analysis: Why field experiments will be necessary to understand stratospheric aerosol injection (Reflective)
Upcoming Event: Thinking Well About Solar Geoengineering (Harvard Solar Geoengineering Research Program)
Video: Solar Geoengineering Is Just the Beginning | Stardust CEO Yanai Yedvab (Forecast 2050)
Read on to unpack more updates:
RESEARCH PAPERS
Which worlds? With whom?: Geoengineering through a relational multispecies lens
Authors: Julia D. Gibson
Synopsis: This essay argues that geoengineering must be understood as a relational response to the climate crisis, shaped by human and non-human interactions under colonial contexts. Through a case study of a farm pond, it highlights the need for multispecies dialogue, justice, and ethical reflection, emphasizing that environmental interventions carry deeper political, epistemic, and ecological meanings beyond their technical scope.
A call for strategic assessments of regional applications of solar radiation management: Exploring the challenges and opportunities from marine cloud brightening and albedo surface modification
Authors: U Baresi, CM Baum, TB Fischer, S Lockie, et al.
Synopsis: This paper explores SRM as a potential tool to reduce climate impacts, focusing on Marine Cloud Brightening and surface albedo modification to protect ice. While promising for limiting heat and extreme weather, these interventions face social, technical, and environmental uncertainties. Using the Great Barrier Reef case, it proposes Strategic Environmental Assessment as a globally relevant framework to enable more inclusive, sustainable decision-making for regional SRM deployment.
The global climate response to High-Latitude Low-Altitude Stratospheric Aerosol Injection (HiLLA-SAI)
Authors: Alistair Duffey, Walker Lee, Lauren Wheeler, Peter Irvine, et al.
Synopsis: This study examines high-latitude low-altitude (HiLLA) Stratospheric Aerosol Injection as a more feasible alternative to tropical high-altitude SAI using existing aircraft. Multi-model simulations show it delivers 40–70% of the cooling efficiency of conventional SAI, with stronger polar effects but still global impacts. Results highlight changes in sea ice, precipitation, and temperature, emphasizing HiLLA-SAI’s potential as an early-stage deployment strategy requiring further research.
The global climate response to High-Latitude Low-Altitude Stratospheric Aerosol Injection (HiLLA-SAI)
(Source)NOTE: If you’d like to submit SRM-related news for our next newsletter, please send it here:
Message Andrew Lockley
BOOK
Building Capacity for Public Engagement on Solar Geoengineering
Authors: Sikina Jinnah, Zachary Dove, Shuchi Talati, Erika Check Hayden, Alice Siu and Mahmud Farooque
Synopsis: This book presents a toolkit and briefing resource to support inclusive public engagement on solar geoengineering (SG). While SG could reduce climate risks, it introduces uncertainties and ethical challenges. The Element outlines methods like workshops, participatory technology assessment, and deliberative polling, alongside an accessible briefing book covering SG science, policy, governance, and justice to enable informed, balanced public dialogue.
Share Solar Geoengineering Updates
WEB POSTS
Engineering & Technology – Is geoengineering our ‘escape hatch’ from climate change?
Ghana Web – Ghana advancing despite ‘deeply concerning’ global climate trends - Minister
The Conversation – Searching for a ‘technofix’ to climate change has many dangers. Could radical humility save the planet?
Rio Grande Guardian – Wolfe: Bans on cloud seeding and sunlight reflection would criminalize innovation
Reflective – Why field experiments will be necessary to understand stratospheric aerosol injection
The Guardian – Critical Atlantic current significantly more likely to collapse than thought
UPCOMING EVENTS
21 April | Washington, District of Columbia - Governing the Future of Climate Intervention Research by Jake Schwartz (NEW)
21 April | San Francisco, California - Stabilize Earth by Devonian Systems
21 April | United States - “Plan C for Civilization” Screening and Q&A
22 April | University of Hamburg - Anticipatory Governance of Novel Technologies: The Case of Solar Geoengineering (NEW)
22 April | University of Hamburg - Planetary Crisis and Plurilateral Politics: Global Governance in the Age of Trump (NEW)
22 April | Online - Live Discussion: Would Solar Geoengineering Transform or Preserve Nature? by SRM360
03-08 May | Vienna, Austria & Online - EGU26
04 May | Boston, Massachusetts - Heading past 1.5C - Could Solar Geoengineering help? by Duncan McLaren & Boston Climate Week
06 May | Oxford St., Cambridge - Thinking Well About Solar Geoengineering by Harvard Solar Geoengineering Research Program (NEW)
13-15 May | University of Nottingham - IAA Planetary Sunshade Workshop by Planetary Sunshade Foundation
18-19 May | University of Chicago - Frontiers in Climate Systems Engineering by CSEi
25 May | Online - Exploring climate interventions and the science-policy interface by WCRP (NEW)
28 May | Arena 2 Plenum - Building and Sharing Knowledge of Climate Interventions by UArctic Congress
28-29 May | Belgium - International Forum on Solar Radiation Modification Research Governance by Co-Create
02-04 June | Rwanda - The IAF Global Space Conference on Climate Change 2026 - Uniting Space and Earth for Climate Resilience
20-21 June | United States - Bridging the Knowledge Gaps in Climate Engineering with Experiments, Models, and Observations by Gordon Research Seminar
21-26 June 2026 | United States - Gordon Research Conference - Bridging Observations, Models, and Impacts in Solar Radiation Modification Research
10-11 September | Washington, DC. - 2026 RFF and Harvard SRM Social Science Research Workshop
Solar Geoengineering Events Calendar
Add our Solar Geoengineering Events Calendar to your default calendar in 2 ways:
Sync specific event: Click the event → menu (≡) → Share → choose your calendar → Save.
Or sync all events: Menu (≡) → Preferences → iCalendar Feeds → Copy URL → Add to your calendar settings → Subscribe.
YOUTUBE VIDEOS
Solar Geoengineering Is Just the Beginning | Stardust CEO Yanai Yedvab | Forecast 2050
“Yanai Yedvab thinks we need to completely overhaul the infrastructure of humanity to avoid a climate disaster, and we can’t afford to wait the 70 years it’ll take to wean off fossil fuels. Before founding Stardust, Yanai spent nearly three decades in Israeli nuclear research, ending up as deputy chief scientist at the Israel Atomic Energy Commission.
Stardust is developing reflective particles to disperse into the upper atmosphere that will buy us the several decades we need to transition into a low-carbon economy. We sat down in New York to talk about how the technology works, the dangers at stake if we do nothing, and Yanai’s radical optimism in spite of everything.”
The Albedo Accord | Alinka Rutkowska
“Join host Andrew Dupy for a fascinating deep dive into the future of our planet with guest Robbie Tulip. Robbie is an author and climate expert who is challenging the traditional “doom and gloom” narrative of climate change.
In this episode, Robbie discusses how we can move beyond the polarization of emissions debates to find practical, technology-driven solutions for global stabilization.”
Current Events: Are We Hitting the AMOC Tipping Point? with AMOC Scientist René van Westen | Climate Chat
“In this Climate Chat episode, we interview returning guest René van Westen on his latest Atlantic Meridional Overturning Circulation (AMOC) research, including his research that shows the recent sudden shift of the Gulf Stream is an indication of pending AMOC collapse.”
Follow us on: Twitter | Bluesky | LinkedIn | Google Group | Podcast
Support us here:
While all content on Solar Geoengineering Updates is free for everyone, We urge those who can to become paid subscribers. Your support empowers this important work and helps us spread the message far and wide.
Support This Newsletter
Leave a comment
