Some time in the 1990s, production of sea-caught fish flattened and stagnated. Ever since, all the growth in the global fish supply has come from aquaculture, or fish farms. In 2012, about two-thirds of all fish–67 million tons out of 158 million tons–were grown in controlled environments.
That growth is impressive but will need to keep going, as a new report shows. It takes an optimist to imagine wild fish stocks will ever grow significantly again. "Thirty percent of the world's fish-stocks are overfished," says the report's lead author Richard Waite of the World Resources Institute. "So, the level we have today isn't sustainable. We actually need to reduce wild fish catch in the short term to get back even to replacement level."
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