In this new series, we explore how cities across the world can rise to the ecological challenges created by a rapidly changing climate. Join Hannah and the guests as they consider innovative approaches to building resilience into the urban landscape. In this episode, Mark Watts speaks to Hannah MacInnes to discuss how the C40 Cities can help make a serious change to climate and his take on resilient cities. Mark Watts is Executive Director of C40 Cities, a global network of nearly 100 mayors of the world’s leading cities that are united in action to confront the climate crisis and create a future where everyone, everywhere, can thrive.