Hammerhead Sharks Up close

Hammerhead Sharks Up close

Overfishing is threatening to wipe out these vulnerable sharks. But conservation efforts can—and have—helped.

Proof of Life in Protected Waters: “Hammerhead Sharks Up Close with Bertie Gregory”

Bertie Gregory has a gift for making the ocean feel like it’s showing off just for him. In Hammerhead Sharks Up Close, National Geographic’s Sharkfest centerpiece, he heads into Mexico’s Pacific waters chasing one of the ocean’s most recognizable predators — and turns what could’ve been a straightforward creature-feature into something genuinely hopeful. The setup is simple: hammerheads used to swarm these waters by the hundreds. Now they barely…