Andrew Lockley - Podcast Details

Shows

Reviewer 2 does geoengineeringMCB with drones - ClaudelChristian Claudel comes on to explore the issues around using drones to distribute MCB particles. These are made by anti-solvent precipitation (much like diluting Ricard spirit). Despite @geoengineering1 being AN ACTUAL AUTHOR on the paper he still finds plenty of opportunities for nitpicking. Paper: Marine-cloud brightening: an airborne concept Christian Claudel, Andrew John Lockley, Fabian Hoffmann and Younan Xia DOI 10.1088/2515-7620/ad2f71 2024-03-121h 37

Reviewer 2 does geoengineeringFuture of CDR - HoglundWhat could be the eventual scale of the CDR market? What technologies will it use? And how do choices made today affect where it ends up? Robert Hoglund discusses with @geoengineering1 Some works discussed CDR.fyi annual report https://www.cdr.fyi/blog/2023-year-in-review Carbon removal is not a finite resource https://marginalcarbon.substack.com/p/carbon-removal-is-not-a-finite-resource Emergent methane mitigation and removal approaches: A review Ishita Mundra, Andrew Lockley https://doi.org/10.1016/j.aeaoa.2023.100223 2024-03-091h 28

Reviewer 2 does geoengineeringStratospheric dehydration - SchwarzJoshua Schwarz explains how dispersing ice nucleating particles in one tiny region of the tropical tropopause layer off Northern Australia can address around 1pc of global warming. He also discusses his involvement in the SABRE stratospheric flights. Paper: Considering intentional stratospheric dehydration for climate benefits DOI: 10.1126/sciadv.adk0593 Other papers discussed Pyrocumulonimbus affect average stratospheric aerosol composition J. M. KATICH DOI: 10.1126/science.add3101 Marine-cloud brightening: an airborne concept Christian Claudel, Andrew John Lockley, Fabian Hoffmann and Younan Xia DOI 10.1088/2515-7620/ad2f71 2024-03-081h 22

Reviewer 2 does geoengineeringCHALLENGING CLIMATE TAKEOVER - BARRIER REEF MCBGood morning, Reviewer 2 listeners. This is Pete Irvine from Challenging Climate. I've been a little disappointed by the Reviewer 2 crew starting a turf war with us, so I've decided to finish it. Today, Jesse and I have paid their studios a little visit - and it's safe to say I don't think we'll be having much trouble from Reviewer 2 in future. Right now, Jesse has @geoengineering1 down in the basement. - showing him the error of his ways. I'm sure he'll learn very quickly. Now, we don't want trouble with other podcasts - but if trouble comes, we I can...2023-02-0951 min

Reviewer 2 does geoengineeringIMPORTANT! Pioneers or pirates? Make Sunsets' sell & launch SAILuke Iseman and Andrew Song from "Make Sunsets" explain why they've launched SAI balloons and sold cooling credits to customers.2022-12-312h 08

Reviewer 2 does geoengineeringA case for SRM - LockleyThis isn't really a Reviewer 2 episode, it's just some audio we had lying around. We decided to use it, as we have been too lazy to do a proper episode.2022-11-1744 min

Reviewer 2 does geoengineeringPimp my CDR - Deschamps on vacuum swing optimizationThomas Deschamps explains to @geoengineering1 how to race-tune the Climeworks DAC plant, using Aspen chemical engineering software. Paper: Modeling of Vacuum Temperature Swing Adsorption for Direct Air Capture Using Aspen Adsorption https://doi.org/10.3390/cleantechnol4020015 2022-05-241h 07

Reviewer 2 does geoengineeringMoisture swing DAC - SinghMeenesh Singh speaks to @geoengineering1 about the paper "Migration-assisted, moisture gradient process for ultrafast, continuous CO2 capture from dilute sources at ambient conditions" https://doi.org/10.1039/D1EE03018C 2022-05-2145 min

Reviewer 2 does geoengineeringEnergy efficiency of DAC - Ryan M Long-InnesHow efficient can DAC plants be? Aryan Gupta interviews Ryan M Long-Innes on his paper https://dspace.library.uvic.ca/handle/1828/13681 Thermodynamic analysis of a direct air carbon capture plant with directions for energy efficiency improvements 2022-05-2046 min

Reviewer 2 does geoengineeringReynolds - Climate Overshoot Commission@JesseLReynolds speaks to @geoengineering1 about the Climate Overshoot Commission Launch https://www.overshootcommission.org/ @overshoot_comm 2022-05-1951 min

Reviewer 2 does geoengineeringCirrus clouds and aerosol rain out - SporreMoa Sporre schools @geoengineering1 on what happens to aerosols that fall out of the stratosphere and into cirrus clouds. Prior project mentioned: CARIBIC project (nowadays part of IAGOS): https://www.caribic-atmospheric.com Paper discussed: Sporre, M. K., Friberg, J., Svenhag, C., Sourdeval, O., & Storelvmo, T. (2022). Springtime stratospheric volcanic aerosol impact on midlatitude cirrus clouds. Geophysical Research Letters, 49, e2021GL096171. https://doi. org/10.1029/2021GL096171 2022-05-0854 min

Reviewer 2 does geoengineeringDoes seaweed CDR work? GallagherAryan Gupta interviews John Barry Gallagher from the University of Tasmania. They discuss the complexities of calculating whether seaweed is carbon negative or not. Paper: https://academic.oup.com/icesjms/advance-article/doi/10.1093/icesjms/fsac011/6525671? Seaweed ecosystems may not mitigate CO2 emissions John Barry Gallagher, Victor Shelamoff, Cayne Layton 2022-03-211h 20

Reviewer 2 does geoengineeringOcean Iron Fertilization - LambertFabrice Lambert discusses the role of natural ocean iron fertilization in glacial periods, and what this means for artificial OIF today. Paper: https://www.sciencedirect.com/science/article/pii/S0012821X20306191 "Regional patterns and temporal evolution of ocean iron fertilization and CO2 drawdown during the last glacial termination"2022-02-191h 00

Reviewer 2 does geoengineeringPandora's toolbox review - Wake SmithAviation specialist Wake Smith is interviewed by @aryangupta___ on his forthcoming book, "Pandora's Toolbox". Book link: https://www.cambridge.org/core/books/pandoras-toolbox/A9713F26408DE0A2423A466FD6B882BF 2022-02-1053 min

Reviewer 2 does geoengineeringShip tracks & termination shock - SimonsAre low sulfur marine fuels causing termination shock? Leon Simons gives R2 some very bad news. Citation: Climate Impact of Decreasing Atmospheric Sulphate Aerosols and the Risk of a Termination Shock DOI:10.13140/RG.2.2.22778.62408 2022-02-091h 32

Reviewer 2 does geoengineeringBala pt2 - SRM & the global southBala continues his discussion with an interesting exploration of the challenges of integrating the global South into research and negotiations on geoengineering 2022-02-0631 min

Reviewer 2 does geoengineeringBala, pt1 - MonsoonsBala explains monsoons, and how single hemisphere geoengineering might affect them. Paper: Krishnamohan, K.S., Bala, G. Sensitivity of tropical monsoon precipitation to the latitude of stratospheric aerosol injections. Clim Dyn (2022). https://doi.org/10.1007/s00382-021-06121-z 2022-02-061h 08

Reviewer 2 does geoengineeringPrivate sector geoengineering - BorthIshita Mundra debuts as presenter, interviewing Amanda Borth on the role of the private sector in combined SRM and CDR scenarios. Paper: The private sector to the rescue? Analysis of a hypothetical scenario of SG deployment https://www.sciencedirect.com/science/article/abs/pii/S0016328721001191 2022-02-0124 min

Reviewer 2 does geoengineeringGeoengineering, the gamble - WagnerGernot Wagner talks about genocide, death threats, and the corruption of academia. He's not a man you want to mess with. So, when he tries to sell you his book, you're going to do exactly as you're told. Understand?2022-01-291h 31

Reviewer 2 does geoengineeringA defence of SRM - IrvinePete Irvine is a stalwart of SRM. Here, he makes the case for its continued consideration as a policy option. This comes at a time when ongoing research on SRM is being subject to one of its most determined challenges yet.2022-01-231h 14

Reviewer 2 does geoengineeringDICE, coalitions and tipping points - ShayeghSoheil Shayegh tries and fails to convince @geoengineering1 that abstract models of international cooperation offer useful insights into the behaviour of nations. Paper https://link.springer.com/chapter/10.1007/978-3-030-72372-9_10 Regulating Geoengineering: International Competition and Cooperation Soheil Shayegh, Garth Heutel, Juan Moreno-Cruz 2022-01-221h 03

Reviewer 2 does geoengineeringInternational Non-Use Agreement - Cooper & FutermanAaron Cooper @AMCooper86 and Gideon Futerman @GFuterman discuss the International Non-Use Agreement on Solar Geoengineering letter from https://www.solargeoeng.org/ @SolarGeoeng 2022-01-2257 min

Reviewer 2 does geoengineeringArctic SAI - Walker LeeThe Cornell Mafia are taking over the Arctic. Walker Lee explains how their high-latitude, low-altitude scheme works. It's an offer you can't refuse.2022-01-2041 min

Reviewer 2 does geoengineeringMOFs & Zeolites - ShollCan Metal Organic Frameworks and Zeolites be used for Direct Air Capture? Spoiler: no. Paper link https://pubs.acs.org/doi/10.1021/acs.jpcc.1c06924 2022-01-121h 21

Reviewer 2 does geoengineeringEnhanced oil recovery - RighettiTara Righetti discusses her book chapter on enhanced oil recovery and how it can become part of a low carbon future. This chapter is at https://link.springer.com/chapter/10.1007/978-3-030-72372-9_9 2022-01-081h 09

Reviewer 2 does geoengineeringQualitative scenarios - MorrowDavid Morrow shows how you can make up nonsense about Bruce Willis and still get it published in a journal. Next level mastery, for all those who struggle to get proper work published. Paper: From fAIrplay to climate wars: making climate change scenarios more dynamic, creative, and integrative Link: https://www.ecologyandsociety.org/vol26/iss4/art30/2022-01-0657 min

Reviewer 2 does geoengineeringArtificial lighting in tropical forests - GaoCan lighting up tropical forests at night store carbon in a practical way? Gao discusses the possibility and its challenges with @geoengineering1 https://esd.copernicus.org/preprints/esd-2021-85/2021-12-191h 02

Reviewer 2 does geoengineeringBiotic silicate weathering - ViccaSara Vicca schools @geoengineering1 on biotic silicate weathering. He, meanwhile, screws up the audio production to previously unimagined levels of dire incompetence.2021-12-1831 min

Reviewer 2 does geoengineeringGeoengineering in the media - BorthAmanda Borth from George Mason discusses whether geoengineering is covered effectively in the media. Reviewer 2 recalls his days of freelance writing, and paints a far less rosy picture of both the media and its cosy political relationship with academia. Paper link https://doi.org/10.1080/17512786.2021.2002711 2021-12-1557 min

Reviewer 2 does geoengineeringMEER - Ye TaoCan your humble bathroom mirror be the basis of a terrestrial solar geoengineering scheme? Ye Tao looks at scaling this simple solution - with the surprise bonus of a huge reduction in solar energy costs, when compared to sulfur aerosols.2021-11-091h 00

Reviewer 2 does geoengineeringPublic goods & scaling CDR - SymonsWhat are the social and political barriers to scaling CDR? Symons and @geoengineering1 discuss first-movers and a public goods framing. They then consider obstructions to progress: carbon accounting, climate justice, tech investment, and financial incentives. Paper: - The international politics of carbon dioxide removal: pathways to cooperative global governance. Bryan Maher, Jonathan Symons. https://research-management.mq.edu.au/admin/files/178643624/GEP_Maher_Symons_Accepted_Version_GEP.pdf 2021-11-0436 min

Reviewer 2 does geoengineeringSRM and Iceland - MooreWarmed by ocean currents and geothermal heat, Icelandic ice caps are in an unusual situation. How would they be affected by SRM? John Moore from Beijing Normal University is in discussion with @geoengineering1 (who is uncharacteristically well-behaved). Paper: Insensitivity of mass loss of Icelandic Vatnajökull ice cap to solar geoengineering https://tc.copernicus.org/preprints/tc-2021-318/2021-11-0445 min

Reviewer 2 does geoengineeringGame theory, coalitions & SRM - HeyenThe actual Reviewer 2 Jesse Reynolds becomes our Reviewer 2 and interviews Daniel Heyen on his coalition formation paper. "Solar geoengineering governance: a dynamic framework of farsighted coalition formation" https://doi.org/10.1093/oxfclm/kgab010 2021-11-0147 min

Reviewer 2 does geoengineeringDICE, Moral Hazard and SRM - BelaiaMariia Belaia is an economist, who used the Dynamic Integrated Climate-Economy (DICE) model to argue that over half of climate change may optimally be addressed using SRM. @geoengineering1 is so horrified that he turns into an actual commie, live on air. Paper reference: OPTIMAL CLIMATE POLICY IN 3D: MITIGATION, CARBON REMOVAL, AND SOLAR GEOENGINEERING MARIIA BELAIA, JUAN B. MORENO-CRUZ and DAVID W. KEITH https://doi.org/10.1142/S2010007821500081 2021-10-3043 min

Reviewer 2 does geoengineeringCCT - MitchellDavid Mitchell explains cirrus cloud thinning in detail, and why climate models without mountains get it badly wrong. There is no paper reference here, but there are some hard lessons about the peer review process! NB this episode has been clumsily edited to disguise various errors made by @geoengineering1 2021-10-2957 min

Reviewer 2 does geoengineeringOcean CDR's natural analogues - BachCan natural ocean processes help us understand how ocean CDR might work? Discussion of "Seeking natural analogs to fast-forward the assessment of marine CO2 removal " with Lennart Bach and @geoengineering1 https://doi.org/10.1073/pnas.2106147118 2021-10-181h 08

Reviewer 2 does geoengineeringDAC's carbon footprintDoes the carbon footprint of Direct Air Capture negate its environmental benefits? Balint Simon discusses his paper, "Material flows and Embodied Energy of Direct Air Capture". This episode was presented by (genuine expert) guest Reviewer 2 Matteo Gazzani, who even seemed to have read the paper! 10.33774/chemrxiv-2021-bpg5d 2021-10-1136 min

Reviewer 2 does geoengineeringRiver diversion to deliberately melt the Arctic??? Julian HuntJulian Hunt relives the highest of high modernism with his cold war style project to divert northern rivers and deliberately melt the Arctic. This will apparently help global warming - or so he says. Paper: Cooling down the world oceans and the earth by enhancing the North Atlantic Ocean current. SN Applied Sciences DOI: 10.1007/s42452-019-1755-y [pure.iiasa.ac.at/16202]2021-09-271h 00

Reviewer 2 does geoengineeringCCS size and failure risk - WangNan Wang explains why bigger CCS projects are more likely to fail. "What went wrong? Learning from three decades of carbon capture, utilization and sequestration (CCUS) pilot and demonstration projects" https://doi.org/10.1016/j.enpol.2021.112546 2021-09-121h 24

Reviewer 2 does geoengineeringNews & views, Gideon and AndrewNews from @gfuterman and @geoengineering1 covering IPCC, Holly Jean Buck & tribalism, Australian MCB trials, Andy Parker on slippery slope, and much else 2021-09-101h 36

Reviewer 2 does geoengineeringGlobal Thermostat co - EisenbergerGlobal Thermostat founder Peter Eisenberger steamrollers Andrew (@geoengineering1) in this challenging interview about his company's controversial culture, and its relationship with Exxon.2021-09-091h 19

Reviewer 2 does geoengineeringCaustic comments: Alkalinity concentration swing CDR - Rinberg and BergmanComrade Rinberg and Comrade Bergman discuss their revolutionary alkalinity concentration swing CDR. This will be deployed after they've organised an uprising to replace the borgeois capitalist hegemony. @geoengineering1 wishes they'd just get on with making some cash out of their idea, so we can all get it sooner.2021-09-071h 13

Reviewer 2 does geoengineeringResearch ethics in geoengineering - GalbraithHow do ethics considerations affect the choices made by researchers as they propose and optimise geoengineering models? Paper link: https://www.sciencedirect.com/science/article/abs/pii/S0039368121000182 Values in early-stage climate engineering: The ethical implications of “doing the research” Jude Galbraith 2021-09-061h 12

Reviewer 2 does geoengineeringBulk CO2 storage - TutoloWhat happens underground, when we try to store billions of tonnes of CO2? Andrew finds out (while noisily defrosting his freezer). Paper: Alkalinity Generation Constraints on Basalt Carbonation for Carbon Dioxide Removal at the Gigaton-per-Year Scale: Benjamin M. Tutolo, Adedapo Awolayo, and Calista Brown. Environ. Sci. Technol. 2021, https://doi.org/10.1021/acs.est.1c02733 2021-09-031h 20

Reviewer 2 does geoengineeringSlippery slopes - AdelmanThis episode has it all: Slippery slopes; Santa; Nazis; luxury beliefs; Henry Ford; Putin; cattle raids; and apostrophes. Nearly 2h of tangents and squabbles make this episode our longest and maybe the most on-brand ever. Paper reference: Individual difference in slippery slope beliefs predict outgroup negativity - Levi Adelman, et al. https://doi.org/10.1016/j.jrp.2021.104141 2021-09-021h 49

Reviewer 2 does geoengineeringVolcanoes - Thomas AubryAndrew gets thoroughly confused, as Thomas Aubry discusses how volcanoes might change in a warmer world. Three papers discussed: https://acp.copernicus.org/articles/16/305/2016/ https://advances.sciencemag.org/content/7/20/eabe3416 https://www.nature.com/articles/s41467-020-18352-5 Dr. Thomas J. Aubry Marie Skłodowska-Curie Fellow - Department of Geography, University of Cambridge Research Fellow - Sidney Sussex College, Cambridge https://sites.google.com/view/thomasjaubry/ Google Scholar https://twitter.com/ThomasJAubry 2021-08-301h 27

Reviewer 2 does geoengineeringGeoengineering and Green New Deal - BaimanRon Baiman and Andrew do not play nicely together - they argue, bicker and squabble about geoengineering and a Green New Deal. Paper reference: "In Support of a Renewable Energy and Materials Economy: A Global Green New Deal That Includes Arctic Sea Ice Triage and Carbon Cycle Restoration" Review of Radical Political Economics DOI: 10.1177/04866134211032396 2021-08-291h 20

Reviewer 2 does geoengineeringGeo-engineering vs geoengineering - OomenJeroen Oomen, postdoc at Utrecht, on geo-engineering (AKA geotechnical engineering) vs geoengineering (AKA climate engineering). 1 subject, or 2? Family by blood or marriage? You decide who's right! Paper link: https://doi.org/10.1002/wcc.732 Would you like to come on the Reviewer 2 Does Geoengineering podcast to discuss your work? Contact us on twitter! @reviewer2geo Suggestions and feedback are also welcome! As always, thanks for listening!2021-08-2451 min

Reviewer 2 does geoengineeringLoons with balloonsWill tech billionaires and their fan clubs change the climate for a hobby? All the paper's authors come to trade blows with Reviewer 2 (except David Morrow, because reasons). https://www.sciencedirect.com/science/article/abs/pii/S0016328721001208 Reflections on a hypothetical decentralized grassroots deployment solar geoengineering scenario Anne Pasek, David Morrow, Walker Lee, Tyler Felgenhauer 2021-08-131h 12

Reviewer 2 does geoengineeringCrop albedo in Australia, with Jatin KalaCould crop albedo modification reduce regional warming over Australia? Weather and Climate Extremes Volume 30, December 2020, 100282, Jatin Kala, Annette L.Hirsch https://www.sciencedirect.com/science/article/pii/S2212094719302385 2021-08-1225 min

Reviewer 2 does geoengineeringA comparative energy and costs assessment and optimization for direct air capture technologies. Matteo Gazzani.In this episode, Andrew welcomes guest Matteo Gazzani from Utrecht University, to discuss the paper "A comparative energy and costs assessment and optimization for direct air capture technologies". You can check the paper here: https://doi.org/10.1016/j.joule.2021.05.023 As always, thanks for listening! And feel free to contact us on twitter @reviewer2geo for suggestions/feedback!2021-08-1250 min

Reviewer 2 does geoengineeringThomas Rinder on "The influence of particle size on the potential of enhanced basalt weathering for carbon dioxide removal - Insights from a regional assessment"In this episode, Andrew is joined by Thomas Rinder from University of Salzburg, to talk about the paper "The influence of particle size on the potential of enhanced basalt weathering for carbon dioxide removal - Insights from a regional assessment" You can check Rinder's paper here: https://doi.org/10.1016/j.jclepro.2021.128178 As always, thanks for listening! Feel free to send sugestions/feedback on twitter @reviewer2geo See you all next episode!2021-08-0950 min

Reviewer 2 does geoengineeringXiaoxiao Li talks about the paper Direct Air Capture via Natural Draft Dry Cooling TowerIn this episode, Andrew is joined by paper's "Direct Air Capture via Natural Draft Dry Cooling Tower" author Xiaoxiao Li, from the Chongqing University. You can check the paper here: DOI: 10.1016/j.ijggc.2021.103375 As always, thanks for listening! And feel free to contact us on twitter @reviewer2geo for suggestions/feedback!2021-08-0434 min

Reviewer 2 does geoengineeringMei Chee Tan and Hong Yee Low on their paper: Textured carbon capture composite (C3) films for distributed direct air capture in urban spacesIn this episode, Andrew welcomes Mei Chee Tan and Hong Yee Low, from the Singapore University of Technology and Design, to talk about their paper Textured carbon capture composite (C3) films for distributed direct air capture in urban spaces. You can find the paper here: https://doi.org/10.1016/j.clet.2021.100145 Thanks for listening! And feel free to contact us on twitter @reviewer2geo for suggestions/feedback. See you there! 2021-08-0454 min

Reviewer 2 does geoengineeringJakob Rønning on problems with limestone Ocean Alkalinity EnhancementJakob Rønning, Title: "Alkaline minerals as a tool to mitigate ocean acidification and facilitate CO2 from the atmosphere". Conclusion: "olivine and dolomite are most promising candidates for OAE, while limestone has the opposite effect on seawater chemistry. Therefore be cautious with limestone". University of Southern Denmark, Biology, Nordcee 2021-08-0249 min

Reviewer 2 does geoengineeringJeffrey Amelse discusses landfilling biomassAmelse, J.; Behrens, P.K. Sequestering Biomass for Natural, Efficient, and Low-Cost Direct Air Capture of Carbon Dioxide. Preprints 2021, 2021060212 (doi: 10.20944/preprints202106.0212.v2 https://www.preprints.org/manuscript/202106.0212/v2 2021-08-0252 min

Reviewer 2 does geoengineeringSpace sunshade: Ross Centers from planetarysunshade.orgRoss is the Executive Director of the Planetary Sunshade Foundation, organizing research on space-based geoengineering. https://planetarysunshade.org 2021-08-021h 10

Reviewer 2 does geoengineeringSudhanshu Jain comments the paper Methods for Dispersal of Precipitated Calcium Carbonate for Stratospheric Aerosol InjectionIn this episode, Sudhanshu Jain, comments the paper that presents two methods for the lab-scale formation of aerosols of nanosized particles of precipitated calcium carbonate (PCC) with potential for use in Stratospheric Aerosol Injection (SAI), a Solar Radiation Management (SRM) technique. You can find the paper here: https://doi.org/10.1175/JTECH-D-20-0205.1 Thanks for listening! You can contact us at twitter with feedback, comments and/or suggestions @reviewer2geo 2021-07-2837 min

Reviewer 2 does geoengineeringDaniele Visioni and Gideon Futerman discuss the Event Solar Geoengineering: Warnings from Scientists, Indigenous Peoples, Youth, and Climate ActivistsIn this episode, student Gideon Futerman welcomes researcher Daniele Visioni to discuss the event Solar Geoengineering: Warnings from Scientists, Indigenous Peoples, Youth, and Climate Activists that happened on the 9th june 2021. You can check the recording of the event here: https://youtu.be/Sqlt5lqDpY8 Daniele Visioni is currently a Postdoctoral Researcher at Cornell University, Sibley School of Mechanical and Aerospace Engineering, working with prof. Douglas MacMartin on the newly funded Geoengineering Assessment across Uncertainties, Scenarios, and Strategies GAUSS project. His research is currently focused on studying Sulfate Geoengineering, a form of climate engineering...2021-07-231h 08

Reviewer 2 does geoengineeringCapturing CO2 from seawater? Paul Halloran talks to Andrew about SeaCure and his exciting research.The article discussed by Digdaya et al is at https://www.nature.com/articles/s41467-020-18232-y For some background to this research: http://www.exeter.ac.uk/news/research/title_860000_en.html 2021-06-2851 min

Reviewer 2 does geoengineeringSAI using solar powered lofting - Pengfei Yu and Andrew discuss exciting research into a delivery technology for Stratospheric Aerosol InjectionPengfei Yu is a co-author in this ground breaking paper titled "Toward practical stratospheric aerosol albedo modification: Solar-powered lofting" https://advances.sciencemag.org/content/7/20/eabe3416/tab-article-info provides links to the article and all author information. 2021-06-2534 min

Reviewer 2 does geoengineeringJens Hartman talks to Andrew about his enhanced weathering paper for the Goldschmidt conference plus plenty of great links to Project 'Carbdown' field trials.Jens Hartmann (Prof. Dr. rer. nat. habil.) of the Institute for Geology / Center for Earth System Research and Sustainability at Universität Hamburg / Bundesstrasse 55 / D-20146 Hamburg discusses with Andrew his work on enhanced weathering. Jens has kindly included some fantastic links to his work below. 1) Goldschmidt-Link https://2021.goldschmidt.info/goldschmidt/2021/meetingapp.cgi/Symposium/19 2) Abstract-Link https://2021.goldschmidt.info/goldschmidt/2021/meetingapp.cgi/Paper/6179 3) Carbdown-Link Introducing “Project Carbdown”: Our first “enhanced weathering” field trial aims to remove CO₂ from the atmosphere — Carbon Drawdown Initiative (carbon-drawdown.de) Selected publications supporting other concepts discus...2021-06-1841 min

Reviewer 2 does geoengineeringTyler Felgenhauer and Andrew discuss US policy and solar geoengineering research.Tyler Felgenhauer discusses his exciting paper on the politics of solar geoengineeering research specifically in relation to the U.S policy agenda. A must listen. Felgenhauer, T., Horton, J., & Keith, D. (2021). Solar geoengineering research on the U.S. policy agenda: when might its time come? Environmental Politics, 1-21. doi:10.1080/09644016.2021.1933763 Tyler Felgenhauer is Director of Climate Research at the Duke Center on Risk, and a Research Scientist with the Modeling Environmental Risks and Decisions Group (MERDG), at Duke University. His research examines the climate-society system and options for responding to climate change risk i...2021-06-1857 min

Reviewer 2 does geoengineeringAndrew and Walker Lee talk all things geoengineering -CDR/SRM and all the other acronyms are covered in this essential bulletin.Andrew and Walker discussed a wide variety of things - here are some useful links: Aluminum increases net carbon fixation by marine diatoms and decreases their decomposition: Evidence for the iron–aluminum hypothesis - https://aslopubs.onlinelibrary.wiley.com/doi/10.1002/lno.11784 Solar geoengineering can alleviate climate change pressures on crop yields - https://www.nature.com/articles/s43016-021-00278-w Mission Zero Technologies: https://missionzero.tech Heirloom: https://www.heirloomcarbon.com The Future Forest Company: https://thefutureforestcompany.com CarbonBuilt: https://www.carbonbuilt.com ...2021-06-071h 17

Reviewer 2 does geoengineeringAndrew and guest presenter Gideon Futerman critically examine recent geoengineering newsSome links discussed in the program: https://www.heirloomcarbon.com https://science.sciencemag.org/content/351/6273/597 https://twitter.com/peteirvine/status/1389199061060829185?s=08 https://www.pnas.org/content/118/15/e1921854118 2021-05-111h 20

Reviewer 2 does geoengineeringClarissa Kroll discusses the impact of volanic eruptions on stratospheric water vapour in the tropicsDiscussing her current paper, Clarissa Kroll talks to Andrew about the impact of volcanic eruptions on stratospheric water vapour in the tropics. Her paper is currently in review at ACP : https://acp.copernicus.org/preprints/acp-2020-1191/ Kroll, C. A., Dacie, S., Azoulay, A., Schmidt, H., and Timmreck, C.: The Impact of Volcanic Eruptions of Different Magnitude on Stratospheric Water Vapour in the Tropics, Atmos. Chem. Phys. Discuss. [preprint], https://doi.org/10.5194/acp-2020-1191, in review, 2020. 2021-04-1956 min

Reviewer 2 does geoengineeringColleen Golja discusses her role in the SCoPEx experiment with reviewer 2A great dive into the depths of aerosol dynamics for the Harvard SCoPEx experiment in Sweden, which as everyone knows has just been postponed until 2022. As usual reviewer 2 is right at the heart of the divisive issue of research in this area. See below for the article Colleen has been working on for several years. Comments please as usual to twitter @reviewer2geo or @geoengineering1 or clare_nomad_geo https://keith.seas.harvard.edu/people/colleen-golja Aerosol Dynamics in the Near Field of the SCoPEx Stratospheric Balloon Experiment C. M. Golja L...2021-04-011h 25

Reviewer 2 does geoengineeringEliot Peper talks to reviewer 2 about his Novel 'Veil', a dystopian near future shaped by geoengineeringEliot Peper is the author of Veil, one of only a handful of novels written about SRM. He talks to Andrew on the show about his interest in the subject, and the creative and business process of being a novelist. This episode is a super interesting foray into a fiction genre of which both of us at reviewer 2 are big fans, (Clare is reading it at the moment). Eliot is a successful writer and has written a number of novels which you can find at his website below. https://www.eliotpeper.com https://twitter.com/e...2021-03-301h 15

Reviewer 2 does geoengineeringMike Wolovick discusses engineering techniques to slow down glaciers, reducing sea level riseOur guest this week is Mike Wolovick, a Postdoctoral Researcher at the College of Global Change and Earth Systems Science, Beijing Normal University. Mike and Andrew discuss how glaciers might be slowed down using a variety of engineering techniques. See the paper Andrew, Mike wrote Get in touch with us on twitter @reviewer2geo or Andrew on @geoengineering1 or or me, Clare @clare_nomad_geo Papers for Mike Wolovick Lockley et al., 2020 Glacier geoengineering to address sea-level rise: A geotechnical approach https://doi.org/10.1016/j.accre.2020.11.008Moore et al. (2018): https://www.nature.com/art...2021-02-081h 23

Reviewer 2 does geoengineeringPippa Gawley of Zero Carbon Capital talks to Andrew about investing in startup up climate tech.Pippa Gawley is an experienced investor (with a science and investing background) and here explains the how and why of companies that show promise in climate change tech might be chosen for investment at the gritty starting point. A fascinating insight especially for our academic listeners who should be interested in how interesting tech gets off the ground. https://www.zerocarbon.capital/pippa-gawley 2021-02-051h 07

Reviewer 2 does geoengineeringRaymond Tan gives Andrew his expert view on large-scale enhanced weathering on the economy/environment.Raymond Tan is probably the most prolific and experienced academic ever to have his work rejected by Reviewer 2. Here, he discusses analysis of the impact of large scale Enhanced Weathering on the wider economy and environment (while being rudely interrupted). Article: On life-cycle sustainability optimization of enhanced weathering systems, The Journal of Cleaner Production https://www.sciencedirect.com/science/article/abs/pii/S0959652621000561 2021-01-2258 min

Reviewer 2 does geoengineeringOliver Morton and Andrew talk about geoengineering, terra forming and the rest- ALL the fascinating chat you could possibly wish forThe fantastic @eaterofsun AKA Oliver Morton author of many books and articles including -The Moon: A History for the Future -The Planet remade: How Geoengineering could change the world Oliver chats to Andrew about geoengineering, terra forming and the moon amongst other things. A fascinating podcast and thank you Oliver for coming on the show! Comments and suggestions as usual to @reviewer2geo or @geoengineering1 or @clare_nomad_geo 2021-01-221h 27

Reviewer 2 does geoengineeringZhen Dai returns to talk to Andrew about the ozone response to calcium carbonate geoengineeringWelcome to another instalment from Zhen Dai, here to talk about her latest paper: "Experimental reaction rates constrain estimates of ozone response to calcium carbonate geoengineering" Zhen Dai, Debra K. Weisenstein, Frank N. Keutsch & David W. Keith Communications Earth & Environment volume 1, Article number: 63 (2020) https://www.nature.com/articles/s43247-020-00058-7?s=03 2021-01-2250 min

Reviewer 2 does geoengineeringWake Smith and Andrew discuss all things aviation including planes falling out of the sky and flying mortar platformsAs usual please tell all your friends and colleagues about the show, and consider coming on as a guest or guest host. Comments and suggestions are most welcome! reviewer2geo@gmail.com @reviewer2geo @geoengineering1 @clare_nomad_geo The cost of stratospheric aerosol injection through 2100 https://doi.org/10.1088/1748-9326/aba7e7 Stratospheric aerosol injection tactics and costs in the first 15 years of deployment https://doi.org/10.1088/1748-9326/aae98d 2021-01-061h 02

Reviewer 2 does geoengineeringNew and improved ! Essential geoengineering news and chat in less time but still with all the reviewer2 charm.Thank you for your comments. We have shortened and edited the episode. It is packed with news and commentary, some of the articles are below, not all fit under the word count for the podcast description. Please continue with the feedback. Possible climate transitions from breakup of stratocumulus decks under greenhouse warming Nature Geoscience volume 12, pages163–167(2019) https://t.co/L9riE6fgEE?amp=1 @JesseLReynolds Is solar geoengineering ungovernable? A critical assessment of governance challenges identified by the Intergovernmental Panel on Climate Change First published: 11 November 2020 https://doi.org/10.1002/wcc.690 D...2020-11-2937 min

Reviewer 2 does geoengineeringHenning Franke enlightens us on the effect of SAM on the QBO. A great discussion on sending particles into the stratosphere and their effects.Henning Franke is at the Max-Planck Institute researching the quasi-biennial oscillation in a warming climate. His paper with additional authors Ulrike Neimeier and Dan Visioni has been accepted for review by Atmospheric Chemistry & Physics. Differences in the QBO response to stratospheric aerosol modification depending on injection strategy and species https://acp.copernicus.org/preprints/acp-2020-1104/ 2020-11-2159 min

Reviewer 2 does geoengineeringIs Free riding a myth? Texas oilmen choose CCS over LNG, ESG reporting and carbon offset markets plus terrible jokes and lots of other geoengineering news this weekPlease see below links for articles mentioned this week. Comments and suggestions are always welcome: reviewer2@gmail.com @reviewer2geo @geoengineering1 and @clare_nomad_geo Please contact us if you want to come on the show or be a host for an episode and show us how it should be done. ------ Prisoners of the Wrong Dilemma: Why Distributive Conflict, Not Collective Action, Characterizes the Politics of Climate Change Michaël Aklin and Matto Mildenberger https://www.mitpressjournals.org/doi/full/10.1162/glep_a_00578 The Smart Money Is Investing In Carb...2020-11-021h 14

Reviewer 2 does geoengineering@geoengineering1 talks to Tim Cadman of Griffith about all things oceanic (especially Australian things), before making a brief detour into governance.Tim Cadman's details are: Griffith: https://experts.griffith.edu.au/9679-timothy-cadman LinkedIn: https://www.linkedin.com/in/tim-cadman-50913917 ResearchGate: https://www.researchgate.net/profile/Timothy_Cadman Orcid ID: https://orcid.org/0000-0002-9531-5018 Here is the most relevant publication: Radunsky, K. and Cadman, T., 2019. Governing the Sun: The Challenges of Geoengineering. The International Journal of Social Quality, 9(2), pp.19-34. http://dx.doi.org/10.3167/ijsq.2019.090203 Governing the Climate Change Regime: Institutional Integrity and Integrity Systems 2016-12-01 | book DOI: 10.4324/9781315442365ISBN: 9781315442365 2020-11-021h 31

Reviewer 2 does geoengineeringAndrew interviews Doug MacMartin from Cornell on the engineering side of geoengineeringPlease see below papers relevant to this interview. Comments and suggestions are always welcome: reviewer2@gmail.com @reviewer2geo @geoengineering1 and @clare_nomad_geo Please contact us if you want to come on the show or be a host for an episode and show us how it should be done. Lockley, A., D.G. MacMartin, H. Hunt, “An update on engineering issues concerning stratospheric aerosol injection for geoengineering”, Environmental Research Communications, 2(8):082001, 2020. Doi: 10.1088/2515-7620/aba944 · MacMartin, D.G., and B. Kravitz, “The engineering of climate engineering”, Annual Reviews of Control, Robotics, and Autonomous Sy...2020-10-311h 17

Reviewer 2 does geoengineeringAdrian Fabre on economics and geoengineering, a deep dive on his recent paper with Gernot WagnerAdrian and Andrew discuss game theory, free riding and other essential considerations in a deep dive into Adrian's recent paper entitled "Availability of risky geoengineering can make an ambitious climate mitigation agreement more likely" by Adrien Fabre & Gernot Wagner, Humanities and Social Sciences Communications volume 7, Article number: 1 (2020) https://www.nature.com/articles/s41599-020-0492-6 Comments and suggestions are welcome: reviewer2@gmail.com @reviewer2geo @geoengineering1 and @clare_nomad_geo Please contact us if you want to come on the show or be a host for an episode. 2020-10-2856 min

Reviewer 2 does geoengineeringKyle Manley discusses modelling Olivine weathering to sequester carbon in a volcanic coastal environment. Details of his brilliant paper are in the notes below.Kyle's brilliant paper is: Kyle Manley, T. Salles and R. D. Müller (2020) ‘Modeling the Dynamic Landscape Evolution of a Volcanic Coastal Environment Under Future Climate Trajectories’, Frontiers in Earth Science, 8. doi: 10.3389/feart.2020.550312. Comments and suggestions are welcome: reviewer2@gmail.com @reviewer2geo @geoengineering1 and @clare_nomad_geo Please contact us if you want to come on the show or be a host for an episode. 2020-10-231h 10

Reviewer 2 does geoengineeringChina & SRM. Zhen Dai discusses Chinese research and policy development on Solar Radiation ManagementAn important topic in geoengineering. Zhen Dai is on twitter @jenswimsthemoon This article explains some of the work she has been part of at Harvard: http://sacredsecretuniverse.com/wp-content/uploads/2019/03/Sun-Dimmer.pdf Comments and suggestions to reviewer2geo@gmail.com or find us on twitter @reviewer2geo or Andrew @geoengineering1 and Clare @clare_nomad_geo 2020-10-2042 min

Reviewer 2 does geoengineeringEssential weekly news in the world of geoengineeering. Plenty of analysis, chat and advice on how not to science. And a big shout out for seaweed.As usual please tell all your friends and colleagues about the show, and consider coming on as a guest or guest host. Comments and suggestions are most welcome! reviewer2geo@gmail.com @reviewer2geo @geoengineering1 @clare_nomad_geo The links for articles we discussed today are below: A World Resources Institute Report: Leveraging the Ocean's Carbon Removal Potential https://www.wri.org/blog/2020/10/ocean-carbon-dioxide-sequestration China's 2060 carbon neutrality goal will require up to 2.5 GtCO2/year of negative emissions technology deployment https://arxiv.org/a...2020-10-1953 min

Reviewer 2 does geoengineeringClaudia Wieners on the devastation caused by an historic volcanic eruption in Iceland and the lessons we might learn for future SRM deploymentA fascinating insight into the effects of the Lakagígar eruption in Iceland in 1783. Claudia discusses in detail the fallout on fauna and flora and also what we might learn in terms of readiness for SRM deployment and the broader governance of the potential downsides. Her paper can be found at https://doi.org/10.1016/j.jvolgeores.2020.107080 and it has the best title of any paper I've seen for a long time being "Haze, Hunger, Hesitation: Disaster Aid after the 1783 Lakagígar Eruption" Comments and suggestions are always welcome @reviewer2geo or reviewer2geo@gmail.com or as...2020-10-161h 01

Reviewer 2 does geoengineeringWhats new this week in the world of geoengineering with reviewer2A wide range of interesting things this week - most of the links are below. Please send any comments and ideas to reviewer2geo@gmail.com or tweet us @reviewer2geo or me Clare @clare_nomad_geo or @geoengineering1 Intervention in the Earth's systems: Geoengineering https://diplomacy21-adelphi.wilsoncenter.org/geoengineering-intervention-atmosphere A report by Delphi and the Wilson centre with essays on solar geoengineering from Simon Nicholson https://twitter.com/simonnicholson4 and Oliver Morton https://twitter.com/Eaterofsun Oliver Morton Article https://diplomacy21-adelphi.wilsoncenter.org/article/geopolitical-challenges-geoengineering-and-geoengineerings-challenge-geopolitics "Foreign P...2020-10-1540 min

Reviewer 2 does geoengineeringMatthew Watson discusses SRM, reflections on the SPICE project and the perils of being a scientist in this area. An unmissable episode!Matt Watson talks about his experiences on the SPICE Project, the need for careful research into SRM given temperature rises and the slow pace of decarbonisation. He also explains how he dealt with a death threat that came during the SPICE project, an unexpected hazard for someone who is a volcanologist and also known from his blog as the reluctant geoengineer. Any comments please send to @reviewer2geo or @geoengineering1 or @clare_nomad_geo If you would like to come on the show to talk about CDR, SRM or anything related to geoengineering, please get in touch. We are always l...2020-10-1144 min

Reviewer 2 does geoengineeringSteve Smith dives into the new Oxford Carbon Offsetting PrinciplesSteve Smith and reviewer2 debate the merits of carbon offsetting and discuss the new Oxford Offsetting Principles. The principles are available at https://www.smithschool.ox.ac.uk/publications/reports/Oxford-Offsetting-Principles-2020.pdf Comments and suggestions please to @reviewer2geo or @geoengineering1 or clare_nomad_geo. Any one who would like to be on the show as interviewer or interviewee or has a burning topic they want us to address, please let us know. 2020-10-0857 min

Reviewer 2 does geoengineeringDerek Lemoine on his new paper “Incentivising negative emissions through carbon shares”.Derek Lemoine and reviewer 2 have a lively discussion of market mechanisms and negative emissions, in particular discussing Derek's upcoming paper "Incentivising Negative Emissions Through Carbon Shares" available at https://www.nber.org/papers/w27880. A free version of this and other work is available at https://www.dereklemoine.com/ We would love to hear your comments and suggestions @reviewer2geo or directly to Andrew @geoengineering1 or Clare clare_nomad_geo If you have a pet topic or any ideas for the podcast please get in touch. We will be launching a website soon also! 2020-10-071h 10

Reviewer 2 does geoengineeringA deep dive with Kevin Surprise discussing capitalism, Neo-Marxism and geoengineering with reviewer2We hope you enjoy this fascinating discussion. Comments and suggestions to @reviewer2geo or Andrew @geoengineering1 or Clare @clare_nomad_geo 2020-10-031h 07

Reviewer 2 does geoengineeringThis week's essential headlines in geoengineering with reviewer 2 plus bonus entertaining chatHello and we hope you enjoy this week's edition of the podcast. We really want your feedback and ideas for the show, and please tell your friends and colleagues how useful and entertaining the podcast is as we would like to have as wide an audience as possible ! If you have a new paper that you would like to discuss, or any comments or suggestions: Please contact us on twitter @reviewer2geo or @geoengineering1 (Andrew) or @clare_nomad_geo (Clare) Here are links for most of the headline items we chat about this week. ...2020-10-021h 07

Reviewer 2 does geoengineeringMarissa Saenger talks passionately about intersectional climate justice and the ethical drivers behind her research.Melissa is an early career researcher who is driven by her ethical goals to work towards climate justice, positing SRM as a controversial yet potential route to alleviate harms caused by climate change. I urge you to read her piece in Medium which can be found here https://medium.com/@msaenger_52203/the-climate-emergency-intersectional-justice-and-the-urgency-of-solar-geoengineering-research-ae26266d7fbb Comments and suggestions to @reviewer2geo or @geoengineering1 or clare_nomad_geo 2020-09-2929 min

Reviewer 2 does geoengineeringDiversity and inclusion in geoengineering - a deep dive with the inspirational Evvan MortonAn important and enlightening discussion with Evvan Morton about diversity, inclusion and equity in the academy, with particular reference here to the field of geoengineering. Comments and suggestions to @reviewer2geo 2020-09-281h 12

Reviewer 2 does geoengineeringWeekly roundup of geoengineering newsAll things geoengineering that caught our eye this week. We chat about lessons from the pandemic for geoengineering, California wildfires and the dystopian futures unfurling before us, methane munching bacteria, gene editing to curb GHGs, NETs in the EU ETS, the trade off between growth and age in trees (and people), more evidence doubting BECCS and news of attempts to broaden the NETs base in IAMS prior to AR6. Plus there are quite a few laughs and some useful news and tips for geoengineering folks. AND we have our own twitter handle now so please follow @reviewer2g...2020-09-1548 min

Reviewer 2 does geoengineeringThe youthful Gideon Futerman discusses his paper on the Public Trust Doctrine and geoengineering, as well as his future plans.At only 17 and already published, Gideon is an impressive and unusual guest on the show. Today he discusses his paper with Andrew on the novel idea of geoengineering and the public trust doctrine. Gideon also talks about his organisation Worldward and his plans for the future particularly in climate restoration. Find the paper here https://cclr.lexxion.eu/article/cclr/2020/2/4 and Gideon on twitter @worldwardglobal As usual, please make any suggestions or comments @geoengineering1 or @clare_nomad_geo Thanks and enjoy the show! 2020-09-101h 04

Reviewer 2 does geoengineeringCDR and biodiversity with Kate DooleyA spirited and fascinating deep dive into Kate Dooley's paper on CDR and biodiversity. The paper explores a new framework for assessing the impacts (positive or negative) of various methods of CDR on biodiversity and ecosystems, with mixed results. You can find the paper here https://doi.org/10.1111/1758-5899.12828 Comments and suggestions welcome as usual @geoengineering1 and @clare_nomad_geo. 2020-09-1056 min

Reviewer 2 does geoengineeringWeekly round up of geoengineering newsThis week we chat about all the interesting articles and news items that have caught our eye...including carbfixing in Iceland, extinction rebellion at Drax, the coming of the carbon-industrial complex and the potential for DAC to be involved in making kerosene, plus much more chat and gossip than can be mentioned here. Comments and suggestions please as always to @geoengineering1 and @clare_nomad_geo 2020-09-0852 min

Reviewer 2 does geoengineeringReviewer 2 and Walker Lee discuss his innovative paper on stratospheric aerosol geoengineeringReviewer 2 and Walker Lee get into the guts of this paper in a lively discussion. Walker's research breaks new ground in stratospheric aerosol geoengineering, raising interesting questions about a more refined technique that potentially creates surprising socio-economic effects. The paper is in review, full citation is: Lee, W., MacMartin, D., Visioni, D., and Kravitz, B.: Expanding the Design Space of Stratospheric Aerosol Geoengineering to Include Precipitation-Based Objectives and Explore Trade-offs, Earth Syst. Dynam. Discuss., https://doi.org/10.5194/esd-2020-58, in review, 2020 As always comments and suggestions are welcome @geoengineering1 and clare_nomad_geo (r...2020-09-0558 min

Reviewer 2 does geoengineeringReviewer 2 talks stratospheric heating under geoengineeringToday Andrew talks to Daniele Visioni about his new paper on the Reduced Poleward Transport Due to Stratospheric Heating Under Stratospheric Aerosols Geoengineering. The paper is available at https://doi.org/10.1029/2020GL089470 Comments on twitter are welcome @geoengineering1 and @clare_nomad_geo 2020-09-0455 min

Reviewer 2 does geoengineeringReviewer 2 takes a deep dive with Jay Fuhrman on the food/water/energy implications of large scale NETsReviewer 2 dives into a fascinating conversation with Jay Fuhrman on his recent paper ‘Food–Energy–Water Implications of Negative Emissions Technologies in a +1.5 °C Future’. The article can be found here http://www.nature.com/articles/s41558-020-0876-z Comments on the podcast are welcome - you can find Andrew on twitter @geoengineering1 and Clare @clare_nomad_geo 2020-09-0457 min

Reviewer 2 does geoengineeringA busy week in geoengineeringA round up of some of this week's news in the world of geoengineering 2020-08-2235 min