AnalysisOpinion / analysisReinforcement Learning · Reasoning & Planning · Policy & Regulation1 source · Oct 13, 2026

They war-gamed dimming the Sun. It went even worse than you think.

When it comes to deciding the fate of the planet, Colleen Golja always thought science and reason would have a seat at the table.

Proof1 independent outlet

Key points

  • That was until one morning last September in London, when the climate researcher took part in the first in a series of war games.
  • The goal: to prevent an uncontrolled global race to develop a technology aimed at cooling the planet but that comes with vast, unknown risks that could reshape life on Earth.
  • The simulation, titled Exploring Geopolitical Tipping Points and Climate Cooling Strategies, saw a couple dozen foreign-relations experts, scientists, military personnel, and former government officials from across the world convene in a meeting room at Queen Mary University of London.
  • Golja was assigned to provide technical advice to help participants make scientifically literate decisions.

Sources (1)

  • [1]They war-gamed dimming the Sun. It went even worse than you think.
    Ars Technica: AI · Oct 13, 03:17 PM
    When it comes to deciding the fate of the planet, Colleen Golja always thought science and reason would have a seat at the table.
    That was until one morning last September in London, when the climate researcher took part in the first in a series of war games.

Extractive summary: sentences quoted from the sources.

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