This is the fourth in a series of video podcasts for the PBS series e2 energy. Each podcast takes you beyond the episodes and deeper into the world of alternative energy. The podcast examines the delicate balance between food production and biofuel production in both Brazil and the United States.
e2 is an ongoing documentary series about the economies of being environmentally conscious. Visit http://www.pbs.org/e2/ or http://www.e2-series.com/ for additional information.
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