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Engineer, Martha Garcia-Wegener, shows students a simple experiment they can do at how to test the environmental effects of heat and cold on materials. This video is targeted at students in... 01:28
Katharine Hayhoe is a Research Associate Professor of Atmospheric Sciences at Texas Tech University. In addition to doing cutting-edge research on climate change, Katharine is also a "climate change... 08:07
www.pbs.org/wgbh/nova/extremei... Remarkable time-lapse footage by James Balog, one of the world’s foremost nature photographers, reveals massive glaciers and ice sheets splitting apart,... 01:29
Climate Change Skeptic No Longer Doubts Human Role in Global Warming 10:26
Full Program: The Iowa Journal looks for ways the state can encourage legal methods of importing the estimated 300,000 people needed to continue business as usual. 27:44