Dr. Horton’s research focuses on climate extremes, tail risks, climate impacts, and adaptation. He is the Lead Principal Investigator for the NOAA-RISA CCRUN project, and Columbia’s Lead PI for the NSF-funded Megalopolitan Transformation Hub. Radley was a Convening Lead Author for the 3rd National Climate Assessment and is a member of the NYC Panel on Climate Change. Radley teaches each semester in Columbia University’s Sustainable Development department. Radley is a leading climate science communicator, appearing regularly on television, radio, and in print.