Marketed as a clean, green superfood, farmed Atlantic salmon is a favourite on dinner plates across the globe. But as Gabriella Coslovich discovered, a growing number are questioning how ethically the fish is farmed in Tasmania, and what that's doing to the state's once-pristine waterways. Leading the charge to clean up the industry is Tasmania's most acclaimed author, Booker prize winner Richard Flanagan, who joins Gabriella to discuss salmon's history in his home state, its impact today, and what the future might hold.

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