Nicholas Stern and Steve Westly

While federal experts warn that it will cost $44 trillion to rid the U.S. economy of carbon, Citibank counters that failing to act on climate disruption could result in over $44 trillion in public and private losses over the next 25 years. The true cost of either keeping or ditching fossil fuels was up for discussion at a recent Climate One event. Nicholas Stern, Chair, Center for Climate Change Economics and Policy, London School of Economics Steve Westly, Founder and Managing Partner, The Westly Group This program was recorded in front of a live audience at the Commonwealth Club of California on May 5, 2016. Learn more about your ad choices. Visit

by Climate One