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Full Program: Moon Smasher, Secrets in the Salt, Bird Brains, Lonnie Thompson 52:28
Climate Change Skeptic No Longer Doubts Human Role in Global Warming 10:26
Full Program: A descent through the hellish atmosphere of Venus to explore its broiling surface serves as a warning to our world about the possible consequences of the increasing greenhouse effect. 01:01:05
Full Program: Can California's ambitious plan to cut greenhouse gases actually succeed? 52:27
Full Program: Bjorn Lomborg, author of The Skeptical Environmentalist and Cool It, appears as a featured speaker at ISU's World Affairs Series. 52:18