Witnesses:
Professor John Shepherd
Professional Research Fellow in Earth System Science at the University of Southampton and Chair of the Royal Society Geoengineering working group that produced the report Geoengineering the Climate: Science, Governance and Uncertainty
Dr. Ken Caldeira
Professor of Environmental Science in the Department of Global Ecology at the Carnegie Institution of Washington and a co-author of the Royal Society Report
Mr. Lee Lane
Co-Director of the American Enterprise Institute (AEI) Geoengineering Project
Dr. Alan Robock
Professor at the Department of Environmental Sciences in the School of Environmental and Biological Sciences at Rutgers University
Dr. Jim Fleming
Professor and Director of the Science, Technology and Society Department at Colby College and author of Fixing the Sky: The Checkered History of Weather and Climate Control
Geoengineering, Part I: Assessing the Implications of Large-Scale Climate Intervention