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Could underwater farms help fight climate change?

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This video is part of the TED team.

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Speaker: Ayana Johnson and Megan Davis

For billions of people, seafood provides a significant source of protein and nutrition, but over half the seafood we eat isn't caught in the wild, it's grown through aquaculture. Farmed seafood is one of the fastest-growing food industries, but the farming methods echo the problems we've seen in industrial agriculture. Is there a way to sustainably farm the ocean? Ayana Johnson and Megan Davis investigate. [Directed by Biljana Labovic, narrated by Alexandra Panzer].