Termination Shock — Neal Stephenson, 2021. A lone Texas billionaire fires sulfur into the stratosphere to cool the planet — and the world discovers nobody has the authority to stop him.
Horton, Smith & Keith, 'Who Could Deploy Stratospheric Aerosol Injection?' — Harvard SGRP, Global Policy (2025). Only the US and China could deploy planet-scale cooling over other nations' objections; the governance gap is real and unresolved.
The unilateral-deployment problem the novel invented is now the central question in solar-geoengineering policy.