Using Glaciers to Track Ancient Economies

Guest: Joe McConnell, PhD, Research Professor of Hydrology at the Desert Research Institute At its height, the Roman Empire left its mark everywhere from England, to Portugal, to Iraq, Morocco, and the isles of the Mediterranean. Oh, and Greenland. Emperors like Nero and Julius Caesar never actually ruled over Greenland, but a record of the Roman economy’s strength dating back thousands of years is embedded in Greenland’s ancient ice.