#futureoffish

Scientists in Puget Sound are measuring how water changes as it flows through kelp, and exploring how shellfish grown with kelp do better at building their shells. 60 Minutes correspondent Leslie Stahl tags along as 3d ocean farmer Bren Smith of Green Wave explains his water column farming method--kelp, mussels, scallops, and oysters--and why it's such a good business model for the future of the fisheries.