1 online resource (streaming video file) (45 min. 56 sec.) ; 265561219 bytes
Summary
One of the most powerful and destructive forces on the planet, floods claim the lives of 25,000 people across the world every year. But as destructive as these events are, scientists are finding evidence of floods on a far more catastrophic scale - thousands of years in the past. From North America to Europe, these floods were so violent they reshaped the surface of the planet and changed the face of continents and even tore Britain from France. But what caused these vast deluges, and could one strike again?