Nadir Jeevanjee is a climate scientist in Princeton University’s Program in Atmospheric and Oceanic Sciences. He has a background in theoretical physics and currently studies clouds and radiation in the climate system. He is active in communicating climate science to non-specialists and to the public, both through his own talks as well as through the outreach group Climate Up Close, which also contributes to this Q&A. He now works for NOAA’S Geophysical Fluid Dynamics Laboratory, a major US climate modeling center. Here are a video and a summary of his talk for lay audiences.