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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
Climate Change Skeptic No Longer Doubts Human Role in Global Warming 10:26
Global warming, rising seas. 16:19
NASA Study Links Extreme Summer Heat to Climate Change 05:24
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