Gary D. Libecap, Richard H. Steckel (eds) The Economics of Climate Change, Adaptations Past and Present, National Bureau of Economic Research, The University of Chicago Press, 2011, 353 p. Rebecca M. Henderson, Richard G. Newell (eds), Accelerating energy innovation. Insights from Multiples Sectors, National Bureau of Economic Research, The University of Chicago Press, 2011, 274 p.