467. Is the Future of Farming in the Ocean?

Bren Smith, who grew up fishing and fighting, is now part of a movement that seeks to feed the planet while putting less environmental stress on it. He makes his argument in a book called Eat Like a Fish; his secret ingredient: kelp. But don’t worry, you won’t have to eat it (not much, at least). An installment of The Freakonomics Radio Book Club.

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