/tags/pacific-gyre Pacific gyre en-US Copyright Fri, 24 Oct 2014 17:10:10 GMT /show/the-jefferson-exchange/2014-10-24/plastic-in-the-global-ocean Dr. Giora Proskurowski knows the oceans, from top to bottom. And that's not just metaphor. Dr. Proskurowski is a University of Washington professor who… Fri, 24 Oct 2014 17:10:10 GMT /show/the-jefferson-exchange/2014-10-24/plastic-in-the-global-ocean Geoffrey Riley