Guests: LONNIE THOMPSON Professor, Department of Geological Sciences Senior Research Scientist, Byrd Polar Research Center The Ohio State University Columbus, Ohio DOUG HARDY Research Scientist, Climate System Research Center University of Massachusetts Amherst, Massachusetts JAMES MCCARTHY Co-chair, Working Group 2 Intergovernmental Panel on Climate Change Professor, Oceanography Director, Museum of Comparative Zoology Harvard University Cambridge, Massachusetts HENRY DIAZ Climatologist, Climate Diagnostics Center National Oceanic and Atmospheric Administration Boulder, Colorado This week, scientists released new data showing that the icecap on Mount Kilimanjaro is melting so fast it may disappear within fifteen years. Other mountain glaciers around the world are shrinking, too. In this hour, we'll talk about retreating glaciers and whether they're a clear sign that human activities are causing global warming. Plus, how climate change could affect natural and human systems.
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