Twice as many fishing vessels are chasing fewer fish on the world’s oceans. Since 1950, the number of boats has gone from 1.7 million to 3.7 million, even though fish stocks have crumbled

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Twice as many fishing vessels are chasing fewer fish on the world’s oceans. Since 1950, the number of boats has gone from 1.7 million to 3.7 million, even though fish stocks have crumbled