Jeffrey Nielsen and @geoengineering1 discuss how the strategic relationship between the US and China will interact with SRM.
Paper: Jeffrey Nielsen, The big green button: stratospheric aerosol injection as a geopolitical dilemma during strategic competition between the United States and China, and implications for expanding aerosol injection near-term research, Oxford Open Climate Change, Volume 5, Issue 1, 2025, kgaf009, https://doi.org/10.1093/oxfclm/kgaf009
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1:34:26
Solar thermal DAC - Prats Salvado
Enrico Prats Salvado discusses the benefits and challenges of using the sun's heat for DAC desorb. Paper Prats-Salvado, E., Monnerie, N. & Sattler, C. Powering Direct Air Capture: Overview of Existing Concepts and the Overlooked Role of Concentrated Solar Thermal Technologies. Curr Sustainable Renewable Energy Rep 12, 8 (2025). https://doi.org/10.1007/s40518-025-00255-y
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1:12:46
Water alternating gas injection - Nelson (&dog)
Claire Nelson, founder of Cella mineral storage, explains how underground injections of water alternating with CO2 might aid mineralsation.
Paper: Water-alternating-gas injections for optimized mineral carbon storage in basalt https://www.sciencedirect.com/science/article/abs/pii/S1750583624002263
Poppin' Fresh, more widely known as the Pillsbury Doughboy, is also, rather randomly, discussed https://en.wikipedia.org/wiki/Pillsbury_Doughboy
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1:34:32
Biotech in CDR - Reginato
Paul Reginato explains how biotech can be applied to CDR. Paper: Biotechnology in direct air capture, enhanced weathering, and methane removal: emerging opportunities and gaps. https://doi.org/10.3389/fclim.2024.1440833
Reviewer 2 quibbles with actual experts in Solar Radiation Modification and Carbon Dioxide Removal, before rejecting their work on spurious, spiteful and capricious grounds. You'd expect nothing less from R2.
Listen to Reviewer 2 does geoengineering, All-In with Chamath, Jason, Sacks & Friedberg and many other podcasts from around the world with the radio.net app