Kate Marvel is a climate scientist and one of the premier science communicators working today. A former cosmologist, Marvel received a PhD in theoretical physics from Cambridge University. She led the “Climate Trends” chapter in the U.S. Fifth National Climate Assessment, has given a TED Talk, appeared on Meet the Press and The Ezra Klein Show, and testified before the U.S. Congress. She has written for Scientific American, Nautilus magazine, and the On Being Project. She lives in Brooklyn with her family.