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Index/Organizations/London Protocol

London Protocol

1852 treaty about Danemark

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Nov 12, 2025
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Why are some states introducing bans on stratospheric aerosol injection?

States are moving to ban stratospheric aerosol injection (SAI) because scientific modeling and policy analysis show , coupled with profound governance and security gaps that current international law ...

Dec 19, 2025

What international governance frameworks have been proposed to manage cross‑border risks from geoengineering like SAI?

Governance proposals for cross‑border risks from stratospheric aerosol injection (SAI) cluster around three approaches: defend and extend existing treaty principles (no‑harm, moratoria and norms), cre...