The year is 2020, and Norway’s fish and aquaculture trade is so large that the Norwegian government has created a state company called Statfisk, modelled after the Norwegian oil company Statoil. Researchers have bred fish that can thrive on plant-based fish food, easing pressure on the earth’s dwindling marine resources while boosting profits of fish farmers worldwide. Farmed fish is so abundant and healthy that it has become one of the world’s chief protein sources, and McFishburgers are a staple in fast-food restaurants across the globe.