The renewable energy source beneath our feet

Bernard Hickey drills down into the future of geothermal electricity production in this week’s interview with Isabelle Chambefort from GNS Science. She’s excited about the potential for deep drilling to uncover ‘supercritical’ heat that supercharges geothermal power output, helping solve the dry year problem bedevilling or hydro dominated power system. Learn more about your ad choices. Visit megaphone.fm/adchoices