Dr. Kate Marvel is a climate scientist. She earned her PhD in theoretical physics from the University of Cambridge. She conducted post-doc research at Lawrence Livermore National Laboratory, as well as at the Carnegie Institution for Science, and the Center for International Security and Cooperation at Stanford University. She was a columnist for Scientific American for several years. Today, we’ll finish our two-part discussion of her first book for general audiences, Human Nature: Nine Ways to Feel About Our Changing Planet, which is published by Ecco.