No CO2 Eureka Moment, Just Years of Statistical Analysis – Alan Robock on RAI (2/5)

On Reality Asserts Itself with Paul Jay, Mr. Robock says his initial work led him to investigate the role of volcanoes in global warming, but years of reports convinced him that CO2 is the most likely cause. This is an episode of Reality Asserts Itself, produced April 30, 2014.