An energy source that’s on the ground floor now, so to speak, could become entrenched. Geothermal relies on heat from rock and water beneath the Earth’s surface. For months, CPR’s climate solutions team -- Ishan Thakore and Sam Brasch -- have visited geothermal hotspots in the state, places that have entrepreneurs and politicians rallying behind them. They joined Ryan Warner to talk about where it's already being used and the debate about what's next.
