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Policy and Critique

The Geoengineering Ledger – Part 4: The Governance Gap

Surveys the complete absence of international governance for climate geoengineering: no treaty, no authorising institution, no compensation framework — despite the US National Academies recommending a research programme in 2021.

The Geoengineering Ledger – Part 3: Whose Monsoon Is It?

Documents modelling evidence that northern-hemisphere SAI reduces African and Asian monsoon rainfall by 5–10%, affecting the food security of 2.4 billion people in countries that are not among those most likely to initiate deployment.

The Geoengineering Ledger – Part 2: The Moral Hazard Machine

Examines the SCoPEx cancellation and the Saami Council objection as a case study in the governance vacuum, demonstrating that no existing institution has the authority to authorise, regulate, or compensate for the effects of deliberate climate intervention.

The Geoengineering Ledger – Part 1: The Emergency Lever

Uses the 1991 Pinatubo eruption as a natural analogue to introduce stratospheric aerosol injection, establishing the Intervention Leverage Index and the asymmetry between its cooling capacity and its governance requirements.