The Big Picture: Geologically active countries like Iceland can more than meet their needs with the energy that vents from the Earth, but other countries would benefit from expanding clean geothermal power as quickly as possible.
Where We Are Now: 10 GW
What We Need by 2050: 700 GW
For more on Iceland’s geothermal bailout–a two-mile well drilled into a volcano–see our feature here.