Florin, Marie-Valentine; Rouse, Paul; Hubert, Anna-Maria; Honegger, Matthias; Reynolds, Jesse (2020): lnternational governance issues on climate engineering Information for policymakers. EPFL International Risk Governance Center (IRGC). Lausanne.

"Driven by questions and needs from the international policymaking community to better understand the potential benefits as well as opportunities, risks, uncertainties and other challenges of CDR and SRM, at both technical and governance levels, this report reviews and compares technologies and their potential contributions, costs, risks, uncertainties, before surveying the current legal and institutional landscape of governance regarding climate engineering."

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"Radical solutions to climate change might save lives, but a commentary in the October 2018 issue of the journal Nature Climate Change calls for caution because geoengineering still lacks a "clean bill of health.""

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Moreno-Cruz, Juan B.; Wagner, Gernot; Keith, David W. (2017): An Economic Anatomy of Optimal Climate Policy. (HKS Faculty Research Working Paper Series, RWP17-028).

"This paper introduces geoengineering into an optimal control model of climate change economics. Together with mitigation and adaptation, carbon and solar geoengineering span the universe of possible climate policies. We show in the context of our model that: (i) a carbon tax is the optimal response to the unpriced carbon externality only if it equals the marginal cost of carbon geoengineering; (ii) the introduction of solar geoengineering leads to higher emissions yet lower temperatures, and, thus, increased welfare; and (iii) solar geoengineering, in effect, is a public goods version of adaptation that also lowers temperatures."

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By Juan Moreno-Cruz, and Soheil Shayegh. "Solar geoengineering (SGE) offers the possibility of offsetting greenhouse-gas-induced temperature increases by reducing incoming solar radiation. Its key advantages are 1) it is fast. Unlike emissions reductions, which can take decades to bear results, SGE can reduce global temperatures nearly instantaneously. 2) it is cheap. SGE can potentially reduce temperatures at costs that are several orders of magnitude lower compared to abatement – this has been called “the incredible economics of geoengineering”."

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