What drives campaigners to go to extraordinary lengths to bring attention to their cause? We hear from an endurance swimmer and a woman running hundreds of marathons as they campaign on climate change and freshwater.
Watch Mina Guli in action:
Watch Lewis Pugh swim the Red Sea:
Lewis featured on this episode of Radio Davos, talking about swimming in the Arctic:
Matt Damon is also a campaigner on freshwater. He spoke to Radio Davos:
The World Economic Forum's UpLink platform is looking for innovative solutions on freshwater:
Join the World Economic Forum Podcast Club