Sanctuary

In 2009, one small island nation did something no country had ever done: it made its entire ocean a complete sanctuary for sharks. Sixteen more countries and territories followed. Sharks are slow-growing, late-maturing, and disappearing — taken for their fins, caught as bycatch, and losing the mangrove nurseries their young depend on. A shark sanctuary answers with a single, sweeping law: no commercial shark fishing, no trade in shark products, across a whole nation's waters. But is a sanct...