World Fishing: Harvesting the oceans

Global sea catches quadrupled between 1950 and 1990 but now appear to have reached a plateau. Indeed, for many important food species, catches are declining because of overfishing. With too many high-tech ships chasing a limited number of fish, prices are rising and stocks dwindling. Can fisheries management save the day? Will poor nations be priced out of a valuable food source?

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