New Scientist: ailure to include changes in sea temperature in fisheries models has led fisheries managers to overestimate some stocks by two to five times, leading to overfishing. Now warmer water may make the recovery of one cod fishery to previous levels impossible. Cod off the north-east coast of North America has historically been one of the worlds great protein resources. But overfishing caused a crash in the biggest stocks off Newfoundland and Labrador, where cod fishing has been banned since 1992. The...