Subcommittee on Energy and Environment Hearing - Geoengineering II: The Scientific Basis and Engineering Challenges
Dr. David Keith, Canada Research Chair, Energy and the Environment, University of Calgary.
Dr. Philip Rasch,Laboratory Fellow, Atmospheric Sciences and Global Change Division, Chief Scientist, Climate Science, Pacific Northwest National Laboratory, U.S. Department of Energy.
Dr. Klaus Lackner, Ewing Worzel Professor, Geophysics, Chair, Earth and Environmental Engineering Department, Columbia University.
Dr. Robert Jackson,Nicholas Chair, Global Environmental Change, Professor, Biology, Duke University.