January 13, 2022

Stratospheric Aerosol Research Experiments and Aircraft for Solar Geoengineering

Published: January 2021 in the proceedings of the SciTech 2021 conference of the American Institute of Aeronautics and Astronautics

Summary: Preliminary designs are presented for two high-altitude research aircraft that could be useful in pre-deployment field experiments related to stratospheric aerosol injection.  One is a scaled down version of the presumed deployment jet that could carry a 1.5 ton payload to an altitude of 22 km.  The other is along-dwell solar-powered airship capable of cruising for months in the lower stratosphere.

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Wake Smith

Author, Lecturer, Geoengineering Researcher

As a lecturer at Yale University, Wake Smith teaches a world-leading undergraduate course on climate intervention, the syllabus of which forms the basis of this book. Smith is also a Senior Fellow at the Mossavar-Rahmani Center for Business and Government at Harvard Kennedy School, writing scholarly articles on the aeronautics, costs, and governance of solar geoengineering. Prior to his academic career, Smith served in several executive roles in the commercial aviation industry, including as the President of the flight training division of Boeing and the COO of Atlas Air. He is a graduate of Yale College and Harvard Business School.

About Wake


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