Lorenzo M. Polvani

Lorenzo M. Polvani is a professor at Columbia University specializing in atmospheric and climate science, with a focus on the stratosphere and middle atmosphere. He has chaired the American Meteorological Society's Committee on the Middle Atmosphere, co-chaired the Whole Atmosphere Working Group of the Community Earth System Model, and co-authored the chapter on global ozone in the UNEP/WMO Scientific Assessment of Ozone Depletion (2006). His Alliance visiting professorship was at École polytechnique (2014-15).