Featured Guest: Gary W. Yohe, Huffington Foundation Professor of Economics and Environmental Studies, Wesleyan University Professor Yohe highlights what's new in the IPCC AR5 Working Group II report released March 31, and the implications of adopting a risk-based framing for the discussion of climate change impacts, an approach adopted by the National Academy of Sciences, the New York Panel on Climate Change, and the forthcoming 2014 National Climate Assessment.