Megastructures: Steam Drillers

SYNOPSIS

Join "Mega Green Tech" as it journeys around the globe in search of what is perhaps the Earth's most available green energy: geothermal power. Visit Iceland, where an abundance of geothermal energy is helping Icelanders achieve an incredible 70% green energy use overall. Explore the world's largest geothermal power complex in northern California, and hear from scientists and visionaries racing to help geothermal technology not just dig deeper into the Earth's hottest layers but also to try to expand the potential of geothermal power across the planet.