Milestone Looms for Farm-Raised Fish

Craig Leisher, reporting for the New York Times:

In the last 20 years, the production of fish through aquaculture has grown exponentially, while marine fish catches have leveled off. Unless it’s an extraordinary year for marine fishing, in 2013 the lines will cross, and the majority of the fish we eat will come from aquaculture rather than oceans.

That’s good and bad. Fish are efficient sources of protein—for every pound of feed, they put on a pound of flesh. But fish farms can be tremendous polluters, and other aquaculture ventures like shrimp farms have devastated mangroves in Southeast Asia. 

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