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Our weekly round-up of SRM news and events.
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Welcome to our weekly round-up of SRM news and events.  

Highlights

Funding Opportunity: Impacts and Tradeoffs of Simulated of High-Latitude/Low-Altitude SAI Deployment Grant (Reflective, Apr 2025) 


Co-CREATE Case Studies of Solar Radiation Modification (SRM) field tests and related activities (Co-Create, Apr 2025) 


Geoengineering technique could cool planet using existing aircraft (Phys.org, Apr 28) 


UK scientists to launch outdoor geoengineering experiments (The Guardian, Apr 22) 


Who Could Deploy Stratospheric Aerosol Injection? The United States, China, and Large-Scale, Rapid Planetary Cooling (Global Policy, Apr 23) 

In Academia

Articles


Low-Altitude High-Latitude Stratospheric Aerosol Injection Is Feasible With Existing Aircraft Duffey, A., Henry, M., Smith, W., Tsamados, M., Irvine, P.J. (Earth's Future, Apr 28) 


Who Could Deploy Stratospheric Aerosol Injection? The United States, China, and Large-Scale, Rapid Planetary Cooling Horton, J.B., Smith, W., Keith, D.W. (Global Policy, Apr 23) 


Effects of solar radiation modification on precipitation extremes in Southeast Asia: Insights from the GeoMIP G6 experiments Feng, Z.-Q., Tan, M.L., Juneng, L., Tye, M.R., Xia, L.-L., Zhang, F. (Advances in Climate Change Research, Apr 23) 


Marine Boundary Layer Cloud Condensation Nuclei Bias Over the Southern Ocean: Comparisons Between the Community Atmosphere Model 6 and Field Observations Niu, Q., McCluskey, C., McFarquhar, G.M. (JGR Atmospheres, Apr 19) 


Preprints


Solar Geoengineering Strategies Based on Reinforcement Learning Quan, H., Koll, D., Lutsko, N., Yuval, J. (ESS Open Archive, Apr 21) 


Roadmap Toward a Planetary Sunshade for Space-Based Solar Geoengineering Matonti, C.L., Coco, M., Cappelletti, C., Chesley, B., Fuglesang, C., Governale, G., Pushparaj, N., Romano, M., Tibert, G., Wilk, L. (SSRN, Apr 19) 

SRM Community

Funding Opportunity: Impacts and Tradeoffs of Simulated of High-Latitude/Low-Altitude SAI Deployment Grant Reflective (Apr 2025) 


Op Ed: Why African Leadership Matters in Geoengineering Project Syndicate (Saliem Fakir & Shuchi Talati, Apr 22) 


CCAN Condemns Reckless Geoengineering Deployment Amid MAKE SUNSETS Controversy CCAN (Quentin Scott, Apr 17) 


Co-CREATE Case Studies of Solar Radiation Modification (SRM) field tests and related activities Co-Create (Apr 2025) 

Watch or Listen

Image Source: Climate Chat YouTube


Solar-Geoengineering Can Reduce Overshoot & Emissions, with Peter Irvine Climate Chat (Apr 27) 


Changing the World (Literally), with Daniele Visione & Holly Buck StarTalk (Apr 27) 


 EP 156 - Janos Pasztor: The Most Controversial Fix for Climate Change - Part 2 Christian Soschner (Apr 24) 


Geoengineering discussed on ‘Trump on Netanyahu: We Are On The Same Side Of Every Issue’ Novara (Apr 23) 


Captured Futures Producing the inevitability of solar geoengineering The Salata Institute at Harvard University (Apr 22) 

SRM in the Media

Image Source: William Lopez, Pexels



Top Stories


Boeing 777s could cool the planet... if you don’t mind acid rain The Telegraph (Sarah Knapton, Apr 28) 


Geoengineering technique could cool planet using existing aircraft Phys.org (UCL, Apr 28) 


UK scientists to launch outdoor geoengineering experiments The Guardian (Damian Carrington, Apr 22) 


Experiments to dim the Sun will be approved within weeks The Telegraph (Sarah Knapton, Apr 22) 


El Gobierno británico destina 50 millones de libras a experimentos con ‘chemtrails’ para controlar el clima ‘The British government allocates £50 million for chemtrail experiments to control the climate.’ La Gaceta (Rebeca Crespo, Apr 24) 


Reported Experiments to 'Dim the Sun' Spark Alarm: 'Never Seen a Film?' Newsweek (Joe Edwards, Apr 24) 


Plans to ‘dim the sun’ sparks conspiracy the government is ‘changing the weather’ Metro UK (Katie Boyden, Apr 24) 


Experiments to dim the sun given green light The Times (Rhys Blakely, Apr 24) 



Climate in the Media

US dismisses all authors of National Climate Assessment, email says Reuters (Valerie Volcovici, Apr 28) 


If almost all the world wants climate action, why is it slowing down? The Independent (Chris Wright, Apr 28) 


UK activist group Just Stop Oil holds its last climate protest Al Jazeera (Apr 26) 


The alarming climate news you probably missed Politico (Arianna Skibell, Apr 25) 

Upcoming Events

Apr 22- May 2 EGU General Assembly 2025 - Vienna, Austria


May 12-16 Degrees Global Forum - Cape Town, South Africa


May 12-16 Fifteenth GeoMIP Workshop - Cape Town, South Africa


May 19-20 Consultative Workshop and Science Policy Dialogue on Solar Radiation Modification (SRM) - Brussels, Belgium


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