It’s fish and chips night – but can we eat cod with a clear conscience? | Callum Roberts

While we can celebrate the North Sea cod’s revival we can only achieve sustainability with fishing methods that are less destructive to the ecosystem• Callum Roberts is professor of marine conservation at the University of YorkNews that North Sea cod has made a comeback has been welcomed by fishermen, environmentalists and fish and chip lovers. After decades of overfishing, cod reached its nadir in 2006. By then, stocks were less than a fifth of levels seen in the early 1970s, and onl