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On Wednesday, March 24, 2021 at 3:47:28 AM UTC-4 Andrew Lockley wrote: > CSSN Position Paper 2021:2 > Solar Geoengineering Research in the > United States: Key Critical Questions > In anticipation of the March 25th release of the National Academies > report: Reflecting Sunlight: > Recommendations for Solar Geoengineering Research and Research Governance, > this brief primer > outlines three areas of key questions to ask about any effort to advance > solar geoengineering > research using public funds. > Background > Solar geoengineering, also referred to by the National Academies of > Science, Engineering and Medicine > (NASEM) as sunlight reflection or climate intervention, comprises > prospective technologies that could > potentially cool the planet by reflecting sunlight back to space (or, more > technically, ‘modifying Earth’s > albedo’). > 1 Proposed strategies include spraying aerosols into the stratosphere to > block incoming sunlight > (this is the leading solar geoengineering proposal known as Stratospheric > Aerosol Injection (SAI)), > enhancing the reflectivity of clouds over the ocean, and increasing the > reflectivity of the Arctic by spreading > glass microspheres across the ice. Once on the fringes of climate policy, > solar geoengineering is gaining > traction, particularly in the United States, where some are calling for > substantial public investment in solar > geoengineering research. > 2 During the past five years, the U.S. has become the world leader in > solar > geoengineering research, with multiple philanthropic efforts funding > research at major universities, > including Harvard, where researchers are preparing to launch the first > outdoor field experiments testing SAI > technology in Sweden during summer 2021. > 3 > These philanthropic-academic research efforts are expanding into federal > policy, with Congressional > appropriation of $4 million to NOAA to advance solar geoengineering > research, > 4 calls for a ten-fold increase > in that funding from high-level science advisors in the Biden > Administration, > 5 and the forthcoming National > Academies (NASEM) report, which is expected to propose guidance on federal > funding, research, and > governance of solar geoengineering in the U.S. > -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/geoengineering/4a9c0ccc-0eca-4e0d-82ba-902a9e70af66n%40googlegroups.com.
