In our ongoing conversation around the pasts and futures of energy, today we're talking about Geothermal. Heat from deep under the Earth's surface, geothermal offers a possible route to energy storage and creation around the world. We sit down with Cindy Taff, CEO of Sage Geosystems, to learn about new companies seeking to bring geothermal power to more places around the globe. Later in the hour we hear from our researcher Nomin about the rise in AI and new energy demands.