Dec 8, 2025
Most Viewedban geoingineering
Calls to ban solar geoengineering have surged in 2024–25: dozens of U.S. states have introduced or passed laws restricting geoengineering, with reports citing "over 16" and as many as 22 states consid...
Convention on Biological Diversity
International treaty
Fact-Checks
6 resultsNov 12, 2025
Most ViewedWhy 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 ...
Jan 29, 2026
Most ViewedWhat regulatory frameworks exist for geoengineering experiments and have any new policies been passed in 2024–2025?
remains a patchwork: some international instruments and multilateral fora have imposed de facto moratoria or restrictive guidance, while national and subnational authorities are moving unevenly—passin...
Jan 7, 2026
What is the current state of legitimate geoengineering research and how is it regulated?
Legitimate geoengineering research today is limited, heavily contested, and split between cautious academic modeling and a small but growing set of experimental efforts, some backed by private startup...
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...
Nov 29, 2025
Have there been any controversial or halted geoengineering field trials in the last two years and why were they stopped?
Several high-profile geoengineering field trials were halted or delayed in the last two years: Harvard’s SCoPEx stratospheric experiment was officially ended by university decision-making in March 202...