“[W]e’re facing unprecedented challenges, literally things that have never happened in the history of human kind, and that should give us some pause… Not only rising temperatures but dramatic changes in precipitation, possibility of millions of people having to be relocated, and challenges to governance on scales that we perhaps haven’t seen before,” says Carol Dumaine, deputy directory of energy and environmental security at the U.S. Department of Energy, in a conversation with ECSP Director Geoff Dabelko.