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Geoengineering Info @geoengineering1.bsky.social · 28/07/2026

🚨🗞️Weekly Solar Geoengineering Updates (20 July - 26 July 2026) 🔗: solargeoengineeringupdates.substack.com/p/weekly-sol...

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Geoengineering Info @geoengineering1.bsky.social · 28/07/2026

🚨Carbon Removal Weekly Summary (20 July - 26 July 2026)-Week#30 🔗: carbonremovalupdates.substack.com/p/carbon-rem... #Newsletter #CDR

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Geoengineering Info @geoengineering1.bsky.social · 07/07/2026

📨Receive your weekly dose of Solar Radiation Management and Carbon Dioxide Removal updates every Monday, delivered straight to your inbox: 🗞️CDR Newsletter: carbonremovalupdates.substack.com 🗞️SRM Newsletter: solargeoengineeringupdates.substack.com

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Geoengineering Info @geoengineering1.bsky.social · 02/07/2026

🚨Not subscribed to our Carbon Removal Updates Substack? Subscribe here: carbonremovalupdates.substack.com Here's what Octavia Carbon's CEO & Co-founder had to say:

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Geoengineering Info @geoengineering1.bsky.social · 03/04/2026

🔟 Frontier Climate Technologies Short Course 2026 – African universities will host a training program on AI, carbon removal, and solar radiation management, targeting students, researchers, and professionals. 11/13

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Geoengineering Info @geoengineering1.bsky.social · 03/04/2026

9️⃣ Geoengineering book published by Elsevier – A new volume examines SRM & CDR, integrating scientific foundations with technological pathways and governance considerations. 10/13

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Geoengineering Info @geoengineering1.bsky.social · 03/04/2026

8️⃣ Framework for SRM field experiments proposed – Doherty et al. outline staged, measurable testing for marine cloud brightening and other SRM approaches to ensure experiments are detectable and policy-relevant. 9/13

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Geoengineering Info @geoengineering1.bsky.social · 03/04/2026

7️⃣ Diamond dust SAI challenged – New simulations show impurities in synthetic diamond dust reduce reflective cooling by about 25%, suggesting it may be less effective for SRM than previously thought. 8/13

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Geoengineering Info @geoengineering1.bsky.social · 03/04/2026

6️⃣ CSEi announces new research awards – Eight faculty-led projects at the University of Chicago will study solar geoengineering, carbon removal, and their societal and environmental tradeoffs. 7/13

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Geoengineering Info @geoengineering1.bsky.social · 03/04/2026

5️⃣ CIDER climate emulator launched – Researchers developed a tool that can quickly simulate stratospheric aerosol injection across diverse scenarios, enabling faster assessment of SRM strategies. 6/13

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Geoengineering Info @geoengineering1.bsky.social · 03/04/2026

4️⃣ NRDC backs structured SRM research – The organization supports careful study of SRM alongside decarbonization to help societies prepare for future climate extremes. 5/13

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Geoengineering Info @geoengineering1.bsky.social · 03/04/2026

3️⃣ US organizations resist geoengineering bans – Arizona vetoed a bill banning geoengineering, while Texas encourages continued research to address extreme weather risks. 4/13

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Geoengineering Info @geoengineering1.bsky.social · 03/04/2026

2️⃣ US National Security Framing – ACCF report urges federal research and international governance to prevent rivals from gaining strategic advantage. 3/13

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Geoengineering Info @geoengineering1.bsky.social · 03/04/2026

Top 10 Updates from Past Month: 1️⃣ UN OHCHR seeks input on climate technologies – The UN Human Rights Office is collecting submissions on how SRM & CDR may impact human rights, with a report due later this year. 2/13

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Geoengineering Info @geoengineering1.bsky.social · 03/04/2026

🚨🗞️Monthly Solar Geoengineering Updates (March 2026)🗞️🚨 From UN review of SRM tech & its human rights impacts, to US organizations resisting SRM bans, plus new tools & research awards – SRM headlines you need to know from the past month:🧵1/13 solargeoengineeringupdates.substack.com/p/monthly-so...

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Geoengineering Info @geoengineering1.bsky.social · 17/03/2026

🚨🗞️Weekly Carbon Removal Updates from Past Week (09-15 March 2026)🗞️🚨 carbonremovalupdates.substack.com/p/carbon-rem... #CDR #ClimateTech #Science #ClimateRepair

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Geoengineering Info @geoengineering1.bsky.social · 10/03/2026

🚨🗞️Weekly Carbon Removal Bulletin (02-08 March 2026)🗞️🚨 carbonremovalupdates.substack.com/p/carbon-rem... #ClimateTech #ClimateRepair #CDR

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Geoengineering Info @geoengineering1.bsky.social · 07/03/2026

🔟 Climate ethics training program launched - A new university certificate program in Argentina aims to equip policymakers and civil society with tools to engage in climate intervention governance. 11/13

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Geoengineering Info @geoengineering1.bsky.social · 07/03/2026

9️⃣ “Doomsday Glacier” barrier proposal - Scientists propose a seabed curtain to block warm water melting Thwaites Glacier, while new field instruments are gathering data in Antarctica. 10/13

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Geoengineering Info @geoengineering1.bsky.social · 07/03/2026

8️⃣ EDF funds SRM impact studies - Nine projects will assess potential effects of stratospheric aerosol injection. 9/13

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Geoengineering Info @geoengineering1.bsky.social · 07/03/2026

7️⃣ U.S. watchdog on weather modification - GAO calls for stronger NOAA oversight of cloud seeding and "emerging" SRM work. 8/13

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Geoengineering Info @geoengineering1.bsky.social · 07/03/2026

6️⃣ Arctic geoengineering research funded - Ocean Visions backs six projects on sea-ice restoration, including marine cloud brightening. 7/13

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Geoengineering Info @geoengineering1.bsky.social · 07/03/2026

5️⃣ Global South SRM grants - The Degrees Initiative launches grants up to £200k to support modelling teams and strengthen SRM leadership in developing regions. 6/13

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Geoengineering Info @geoengineering1.bsky.social · 07/03/2026

4️⃣ Open letter backs climate cooling tests - Researchers are invited by HPAC to support pilot testing of near-term cooling approaches like SRM to prepare options for limiting peak warming between 2030-2050. 5/13

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Geoengineering Info @geoengineering1.bsky.social · 07/03/2026

3️⃣ High-latitude SRM security risks - Council on Strategic Risks outlines a 2030 scenario where Arctic climate intervention could trigger geopolitical tensions, urging early diplomacy and governance. 4/13

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Geoengineering Info @geoengineering1.bsky.social · 07/03/2026

2️⃣ AMOC tipping warning & role of SRM - Nordic Council report highlights risks of an Atlantic circulation collapse and urges stronger monitoring and expanded research into climate intervention alongside emissions cuts. 3/13

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Geoengineering Info @geoengineering1.bsky.social · 07/03/2026

1️⃣ Solar geoengineering governance platform - A new SGRG initiative will develop transparency tools, disclosure systems and a research governance charter as SRM studies expand. 2/13

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Geoengineering Info @geoengineering1.bsky.social · 07/03/2026

🚨🗞️Monthly Solar Geoengineering Updates (Feb'2026 Edition)🗞️🚨 AMOC collapse alerts, Arctic intervention studies & new governance & funding initiatives - SRM headlines you need to know from the past month: solargeoengineeringupdates.substack.com/p/monthly-so... Top 10 SRM Updates from Feb'2026:🧵1/13

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Geoengineering Info @geoengineering1.bsky.social · 03/03/2026

🚨🗞️ Weekly Carbon Removal Updates from 23 February - 01 March 2026🗞️🚨 carbonremovalupdates.substack.com/p/carbon-rem... #Science #CDR #ClimateTech

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Geoengineering Info @geoengineering1.bsky.social · 24/02/2026

🚨🗞️Weekly Solar Geoengineering Updates (19-22 February 2026)🗞️🚨 solargeoengineeringupdates.substack.com/p/weekly-sol... #SolarGeoengineering #ClimateInterventions #SRM #ClimateTech #Science

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Geoengineering Info @geoengineering1.bsky.social · 10/02/2026

🚨🗞️Weekly Solar Geoengineering Updates from 02-08 February 2026🗞️🚨 solargeoengineeringupdates.substack.com/p/weekly-sol... #ClimateTech #ScienceNews #SRM

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Geoengineering Info @geoengineering1.bsky.social · 10/02/2026

🚨🗞️Weekly Carbon Removal Updates from 02-08 February 2026🗞️🚨 carbonremovalupdates.substack.com/p/carbon-rem...

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Geoengineering Info @geoengineering1.bsky.social · 06/02/2026

9️⃣ 𝗡𝗲𝘄 𝗦𝗔𝗜 𝗿𝗲𝘀𝗲𝗮𝗿𝗰𝗵 𝗳𝘂𝗻𝗱𝗶𝗻𝗴 𝗰𝗮𝗹𝗹 - Reflective launches a $1.5M RFP on SAI and Earth-system tipping points; proposals due March 2026. 🔟 𝗦𝗥𝗠 𝗙𝗲𝗹𝗹𝗼𝘄 𝗿𝗼𝗹𝗲 𝗮𝗻𝗻𝗼𝘂𝗻𝗰𝗲𝗱 - Emerging Climate Frontiers opens applications to lead Africa-focused, justice-centred SRM engagement and governance. 10/11

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Geoengineering Info @geoengineering1.bsky.social · 06/02/2026

8️⃣ 𝗔𝗿𝗰𝘁𝗶𝗰 𝘀𝗲𝗮-𝗶𝗰𝗲 𝘁𝗵𝗶𝗰𝗸𝗲𝗻𝗶𝗻𝗴 𝘁𝗿𝗶𝗮𝗹𝘀 𝗯𝗲𝗴𝗶𝗻 - Advanced Research + Invention Agency (ARIA)-funded RASI project (by Centre for Climate Repair & Real Ice) starts outdoor tests in Nunavut with detailed governance and community oversight. 9/11

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Geoengineering Info @geoengineering1.bsky.social · 06/02/2026

7️⃣ 𝗖𝗮𝗹𝗹 𝗳𝗼𝗿 𝗲𝘃𝗶𝗱𝗲𝗻𝗰𝗲 - Nuffield Council on Bioethics invites input on how SRM governance should reflect future generations and non-human nature. 8/11

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Geoengineering Info @geoengineering1.bsky.social · 06/02/2026

6️⃣ 𝟮𝟬𝟮𝟱 𝗦𝗥𝗠 𝗬𝗲𝗮𝗿 𝗶𝗻 𝗥𝗲𝘃𝗶𝗲𝘄 𝗽𝘂𝗯𝗹𝗶𝘀𝗵𝗲𝗱 - Andrew Lockley and team release a comprehensive overview of SRM science, policy, media, and regulation. 7/11

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Geoengineering Info @geoengineering1.bsky.social · 06/02/2026

5️⃣ @theguardian.com 𝘀𝗲𝗿𝗶𝗲𝘀 𝘀𝗽𝗼𝘁𝗹𝗶𝗴𝗵𝘁𝘀 𝗦𝗥𝗠 𝗱𝗲𝗯𝗮𝘁𝗲 - Contributors argue against research bans, stress inclusive governance, and support cautious experimentation. 6/11

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Geoengineering Info @geoengineering1.bsky.social · 06/02/2026

4️⃣ 𝗦𝗔𝗜 𝗨𝗻𝗰𝗲𝗿𝘁𝗮𝗶𝗻𝘁𝘆 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗹𝗮𝘂𝗻𝗰𝗵𝗲𝗱 - Reflective releases a ranked map of key unknowns in SAI to guide transparent research and funding priorities. 5/11

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Geoengineering Info @geoengineering1.bsky.social · 06/02/2026

3️⃣ 𝗦𝗥𝗠 𝗮𝘀 𝗮𝗻 “𝗲𝗺𝗲𝗿𝗴𝗲𝗻𝗰𝘆 𝘁𝗼𝗼𝗹𝗸𝗶𝘁” - @exeter.ac.uk warns declining aerosol cooling may push warming to 2°C pre-2050, calling for SRM research alongside mitigation and CDR. 4/11

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Geoengineering Info @geoengineering1.bsky.social · 06/02/2026

2️⃣ 𝗔𝗻𝘁𝗶-𝗴𝗲𝗼𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝗯𝗶𝗹𝗹𝘀 𝗶𝗻 𝘁𝗵𝗲 𝗨.𝗦. - New Arizona and Iowa state proposals target geoengineering, despite limited evidence and no active SRM programs. 3/11

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Geoengineering Info @geoengineering1.bsky.social · 06/02/2026

1️⃣ 𝗨.𝗦. 𝗲𝘅𝗶𝘁𝘀 𝗨𝗡𝗙𝗖𝗖𝗖 & 𝗜𝗣𝗖𝗖 - Experts warn withdrawal could weaken SRM governance, deepen geopolitical mistrust, and accelerate fragmented or unilateral approaches. 2/11

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Geoengineering Info @geoengineering1.bsky.social · 06/02/2026

🚨🗞️Monthly Solar Geoengineering Updates (January 2026 Edition)🗞️🚨 From U.S. withdrawal from global climate bodies & anti-geoengineering bills, to new SAI uncertainty tool, Arctic field trials & major funding calls, #SRM stayed at the nexus of science and geopolitics. Top 10 SRM Highlights🧵1/11

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Geoengineering Info @geoengineering1.bsky.social · 15/01/2026

🚨Solar Geoengineering in 2025: Rays of Hope, Clouds of Doubt🚨 This post provides a comprehensive overview of Solar Geoengineering in 2025, from funding & research breakthroughs to global debates, restrictions, media highlights & more. solargeoengineeringupdates.substack.com/p/solar-geoe... #SRM

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Geoengineering Info @geoengineering1.bsky.social · 15/01/2026

🚨Reflecting on Progress: Key Milestones in Carbon Dioxide Removal - 2025 Edition🚨 This annual summary encapsulates the significant developments that shaped the carbon removal field throughout 2025. Read here: carbonremovalupdates.substack.com/p/reflecting... #CDR #ClimateTech #ScienceNews

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Geoengineering Info @geoengineering1.bsky.social · 31/12/2025

🔟 Report on the 2022 Hunga Tonga eruption shows minor surface cooling (~0.05°C) but significant stratospheric and mesospheric cooling, informing SAI impact studies. 7/

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Geoengineering Info @geoengineering1.bsky.social · 31/12/2025

8️⃣ 1st IAA Planetary Sunshade Workshop set for May 2026, aiming to advance space-based climate cooling research and collaboration. 9️⃣ African Climate Intervention Research Hub (ACIRH) launches its website, centralizing African-led SRM expertise, collaboration, and resources. 6/

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Geoengineering Info @geoengineering1.bsky.social · 31/12/2025

6️⃣ Multi-model study finds Marine Cloud Brightening could cool the Arctic and stabilize the AMOC under mid-century scenarios. 7️⃣ UNEA-7 features informal SRM discussions; Africa Group initiates a plurilateral Solar Geoengineering Non-Use Agreement dialogue. 5/

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Geoengineering Info @geoengineering1.bsky.social · 31/12/2025

5️⃣ Co‑CREATE Project announces first dedicated SRM Governance Conference in Brussels - EU (May 2026). 4/

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Geoengineering Info @geoengineering1.bsky.social · 31/12/2025

3️⃣ DSG launches SRM Governance Horizons, a project to assess institutional readiness and inclusive governance for solar radiation modification debates. 4️⃣ Sandro Vattioni wins China’s 2025 Pineapple Science Award for research on diamond dust as a potential SRM material. 3/

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Geoengineering Info @geoengineering1.bsky.social · 31/12/2025

1️⃣ Trump administration plans to dismantle NCAR, a leading hub for climate & SRM research 2️⃣ Guardian editorial sparks debate, warning of “sun-dimming” under political control. In response, letters argue research shutdown stifles science & misrepresents African perspectives. 2/

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