Steve Boyes returns to tell how he’s finding hope on the rivers of Africa

Planet Visionaries - A podcast by Rolex and The Washington Post Creative Group - Thursdays

The Great Spine of Africa expeditions are an unprecedented survey of Africa’s rivers. Biologist Steve Boyes and his team are paddling 40,000 kilometers in dugout canoes to gather groundbreaking data on some of the world’s least-explored waterways.