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Engineer, Martha Garcia-Wegener, teaches students about her role in as an engineer in an environmental effects testing lab. She teaches students how altitude, temperature and humidity interact and... 03:01
Full Program: Alaska is warming up. It's now a few degrees warmer than it was a century and a half ago, and the trend seems to be accelerating. 55:44
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
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
Global warming, rising seas. 16:19