You would think that a fish that has been around longer than the dinosaurs might not be under threat, but people kill about 100 million sharks per year. Many sharks are killed solely for their fins, which are used in shark fin soup, a delicacy which has little nutritional value.
In fact, keeping sharks alive will do more for global food security than killing them. The disappearance of sharks means we also lose one of the best regulators in the oceans. As top predators, they can maintain a healthy food web that helps support strong fisheries, which provide the main source of protein for 1 billion people.
Read the rest of this post on Conservation International's blog, Human Nature.