As beluga sturgeon populations dwindle, poachers have descended on the waters of Oklahoma, searching for the source of next-best caviar: the paddlefish. But conservation officials might have found a way to save the prehistoric-looking creatures from a steady decline—they're selling the caviar themselves.
Fifty years ago 180,000 whales disappeared from the oceans without a trace, and researchers are still trying to make sense of why. Inside the most irrational environmental crime of the century.