Underreported: Alaska's Melting Permafrost

It’s estimated that the world’s permafrost contains 1,600 billion tons of carbon. As global temperatures rise, there are growing concerns about that all that permafrost could melt, releasing those gasses into the atmosphere. On today’s second Underreported Vladimir Romanovsky, a geophysics professor at the University of Alaska at Fairbanks explains what happens when permafrost melts and what’s happened to villages in Alaska that have already been affected by the effects of melting permafrost.