"Nuclear Winter: The Environmental Consequences of a Nuclear Exchange": Professor Brian Toon April 7th, 11:30am PST (2:30 pm EST)

Samuel Lawrence Foundation Professor Brian Toon - Fellow at the Laboratory for Atmospheric and Space Physics at the University of Colorado Boulder. Dr. Paul Dorfman - Associate Fellow, Science Policy Research Unit, University of Sussex ; Chair, Nuclear Consulting Group; Member of the Irish Govt. Environment Protection Agency Radiation Protection Advisory Committee.