The future of fish farming is on land

New systems cut pollution and allow fish to be raised anywhere in the world


THE RUGGEDOECD, chilly coast of northern Norway, beyond the Arctic Circle, is not usually thought of as prime agricultural land. But far down a dead-end road on the shores of Skjerstad Fjord sits Salten Smolt, one of the most advanced farms in the world. Rather than crops or cows, though, the firm produces fish. Inside its 7,000 square metre main building are tanks capable of producing 8m smolt—juvenile Atlantic salmon—every year.Fish farming is the fastest-growing form of food production in the world. Seafood accounts for around 17% of the world’s protein intake (in some parts of Asia and Africa, the number is nearer 50%). The , a rich-country club, reckons that, thanks to population growth and rising incomes, global consumption of fish will reach 180m tonnes by the end of the decade, up from 158m tonnes in 2020.

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