Marine biologist Ben Fitzpatrick has spent decades protecting the coastlines and coral reefs of Western Australia. Today he joins Alex Honnold to talk about his ongoing work to conserve one of the ocean’s most precious habitats.

When her country was stricken by drought, Kenyan entrepreneur Beth Koigi developed a machine that uses condensation to produce water. She tells Alex Honnold how this technology can reduce water scarcity around the globe.