Study Raises New Concern About Global Warming

Ice floats on the surface of the sea in the western Antarctic peninsula, on March 05, 2016. Waddling over the rocks, legions of penguins hurl themselves into the icy waters of Antarctica, foraging to feed their young. Like seals and whales, they eat kril

A study published in Nature says global warming could disintegrate the vast ice Antarctic ice sheet sooner than originally thought. That would mean a 3-foot sea level rise by the year 2100 and a 50-foot rise by the year 2500, something that would endanger coastal cities. Here & Now’s Jeremy Hobson speaks with Richard Alley, a professor at Pennsylvania State University and one of the study’s co-authors.

Guest

  • Richard Alley, professor in the Department of Geosciences at Penn State.
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