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Assistant Professor
American University
On February 10, the National Academy of Sciences (NAS) released two major new reports on climate engineering (or “geoengineering”). The reports set out to summarize the scientific basis for what the authors chose to call “climate intervention,” identify governance and ethical challenges, and chart a new research agenda. While the authors were careful to state that climate intervention is no substitute for reduction in carbon dioxide emissions, the reports indicate support for further investigation into large-scale technological responses. The paired studies assess two specific groups of strategies: (1) carbon dioxide removal and (2) reflecting sunlight, or albedo modification. While the… [more]
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Visiting Fellow
Hudson Institute
This discussion was co-authored by J. Eric Bickel, Assistant Professor, The University of Texas at Austin. Measures to reduce greenhouse gas (GHG) emissions have dominated public discourse about responses to man-made climate change. However, major institutional and political hurdles dim the prospects for controlling emissions. Solar Radiation Management (SRM) appears to promise at least some capacity to offset manmade warming. SRM would seek to manage physical processes that reflect sunlight back into space. For example, researchers have envisioned adding to the layer of aerosols already present in the lower stratosphere. All else remaining equal, global mean temperatures would fall even… [more]
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