Richard Alley, Nobel Prize Winner, Climate Change Expert & Penn State Professor

Dr Richard Alley is an international expert on climate change. He participated in the U.N. Intergovernmental Panel on Climate Change and was a co-recipient of the 2007 Nobel Peace Prize. He hosted the PBS mini-series 'Earth: The Operator's Manual' and has authored numerous books, including the popular account of climate change and ice cores, The Two-Mile Time Machine. Much information is to be had in this world exploring interview...