Synopsis

Frozen water, in its solid form, has profoundly shaped human history and is now emerging as an unexpected instrument within technology. This program explores the origins of Earth’s ice and recounts how glaciers during the last ice age sculpted the landscape of North America. We journey inside Colorado's National Ice Core Repository to witness how ice cores drilled from Antarctica and Greenland serve as a vital record of past climates, and visit a Canadian research facility where experts reveal t