📰We covered all this and more in our December 2025 SRM roundup. Read here:
solargeoengineeringupdates.substack.com/p/monthly-so...

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🧵8/8

📰We covered all this and more in our December 2025 SRM roundup. Read here:
solargeoengineeringupdates.substack.com/p/monthly-so...

🚨Subscribe to stay informed and consider supporting our independent coverage with a donation of less than $10.
solargeoengineeringupdates.substack.com

🧵8/8

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

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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.

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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.

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

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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.

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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.

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