Thom takes your calls on the dangers of global warming, the melting Arctic, CO2 in the atmosphere and what would be the next major extinction event.

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Thom is a four-time Project Censored-award-winning, New York Times best-selling author. His national daily progressive radio talk show is distributed to radio stations nationwide by Westwood One, Pacifica, and Free Speech TV. More people listen daily to the Thom Hartmann Program than any other progressive talk show in the nation.