AdvertisementConditions Allow For More Sustainable-Labeled SeafoodFebruary 12, 2013Daniel ZwerdlingMargot WilliamsfacebookEmailCapt. Gordon Botkin, aboard the Miss Delta in the Fraser River near Vancouver, is helping researchers study the sockeye salmon population. The MSC recently certified sockeye as "sustainable," even though scientists argue that their population is declining. (Brett Beadle for NPR)