Experts warn about the climate cost of modern war. Dr. Patrick Bigger, Research Director at Climate and Community Institute. Neta Crawford, Brown University, author of “The Pentagon, Climate Change, and War: Charting the Rise and Fall of U.S. Military Emissions.” Journalist Mark Hertsgaard with Giles Trendle, former Managing Director of Al Jazeera English. It’s a full load for this climate emergency, getting hotter all the time.