Stephen 'Dr. Beach' Leatherman picks America's best beaches and worries about their future

On the latest SouthBound podcast, host Tommy Tomlinson talks to Stephen Leatherman, who is known as “Dr. Beach” for his annual ranking of the best beaches in America. But he’s also a scientist who has a lot to say about how to protect our beaches—both on a global scale, and through little things any beachgoer can do.