Last year six people were killed by sharks worldwide. Multiply that number by more than 12 million and you get close to the number of sharks killed for human consumption each year. The annual mass slaughter of sharks, estimated to be around 73 million each year, has left one third of all shark species on the brink of extinction. “It’s a grave situation that sharks are now faced with,” say Matt Rand, director of the Pew Environment Group’s Global Shark Conservation Campaign. “If serious action is not taken soon, the fate of shark species playing a viable role in the...