Discusión · Física aplicada
Should geoengineering research move from modelling to small-scale field trials?
Stratospheric aerosol injection has moved from speculative to plausibly deployable within a decade. The question is no longer whether it works in models — it is whether constrained field experiments are scientifically necessary or politically reckless.
Thread (3)
Dr. Anya PetrovVerified expertAtmospheric Chemist11 de marzo de 2026 Modelling alone cannot resolve the second-order chemistry questions — heterogeneous reactions on aerosol surfaces are sensitive to particle morphology in ways that lab-scale experiments cannot replicate. Constrained field experiments are not a slippery slope; they are how we close the parameter gap.
Prof. Marcus HaleVerified expertScience Policy Scholar11 de marzo de 2026 I agree the science requires field data, but the governance vacuum is the binding constraint. A unilateral trial — even a small one — sets a precedent that will be used to justify much larger deployments. The order matters: governance first, then trials.
Dr. Ren IwasakiVerified expertMarine Biologist12 de marzo de 2026 From a marine perspective: we still cannot agree on the regional precipitation impacts of injection scenarios. Until we can, ocean ecosystems are being asked to absorb risk they cannot consent to. That argues for trials that include marine monitoring, not against trials in principle.
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