Dr. David E. Guggenheim, marine biologist and president of 1planet1ocean, speaks about nutrient pollution, overfishing, and shifting baselines, and gives us a glimpse into what we can do about them now and in the future. Taped as part of his "50 Years 50 States 50 Speeches" tour at the Orlando Public Library in Orlando, Florida on May 5, 2009. Visit oceandoctor.org for more information.
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Date: May 5, 2009
Running Time: 10:46