The Arctic hasn’t been this warm for 3 million years – and that foreshadows big changes for the rest of the planet
228 Views September 30, 2020 Julie Brigham-Grette, Professor of Geosciences, University of Massachusetts Amherst
Ice floe drifting in Svalbard, Norway. Sven-Erik Arndt/Arterra/Universal Images Group via Getty Images Every…