See the youtube link to view this presentation: http://www.youtube.com/watch?v=QHJK5ISKR2Q   On 11 March 2011, a devastating magnitude 9.0 earthquake and resultant tsunami struck northern Japan. Tons of debris washed to sea. Large quantities of the floating plastics will persist for decades as it orbits the oceanic gyres, and the highest concentrations are expected to wash […]