Assessing the direct occupational and public health impacts of solar radiation management with stratospheric aerosols

Environmental Health : a Global Access Science Source
Utibe Effiong, Richard L Neitzel

Abstract

Geoengineering is the deliberate large-scale manipulation of environmental processes that affects the Earth's climate, in an attempt to counteract the effects of climate change. Injecting sulfate aerosol precursors and designed nanoparticles into the stratosphere to (i.e., solar radiation management [SRM]), has been suggested as one approach to geoengineering. Although much is being done to unravel the scientific and technical challenges around geoengineering, there have been few efforts to characterize the potential human health impacts of geoengineering, particularly with regards to SRM approaches involving stratospheric aerosols. This paper explores this information gap. Using available evidence, we describe the potential direct occupational and public health impacts of exposures to aerosols likely to be used for SRM, including environmental sulfates, black carbon, metallic aluminum, and aluminum oxide aerosols. We speculate on possible health impacts of exposure to one promising SRM material, barium titanate, using knowledge of similar nanomaterials. We also explore current regulatory efforts to minimize exposure to these toxicants. Our analysis suggests that adverse public health impacts may reasonably be expected from SRM...Continue Reading

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Citations

Mar 17, 2020·Journal of Health & Pollution·Uttam Paudel, Krishna Prasad Pant
Jul 8, 2021·Reviews on Environmental Health·Fabien Deruelle

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