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Farming fish in a tiny percentage of the oceans could feed the world

With a growing population, the world is looking more and more to the ocean as a source of food. But wild stocks of fish and other seafoods are being overexploited in many areas. Now, a study from UCLA suggests that if fish farming can be moved offshore, then an area of sea the size of Lake Michigan (0.025 percent of the ocean's surface), could meet the global demand for fish and allow wild stock to recover.
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