The Arctic is warming faster than the rest of the planet. Melting sea ice has opened northern shipping lanes but exposes more water to the warming sun. Melting land ice raises sea levels. Changing weather can bring cold air south to the rest of us. We’ll look at these with research scientists Nancy Fresco from the University of Alaska and Twila Moon from UC Boulder.
Sign in to join the discussion — comments are spoiler-gated to your watch progress.
Discussion starters
