Sunil Amrith is a professor of History at Yale University. He is the author of four books, and a recipient of multiple awards including a MacArthur “Genius” fellowship. His latest book is called The Burning Earth: An Environmental History of the Last 500 Years.

In this conversation we explore the impact the environment has on the development of civilisations - we begin a 1000 years ago in medieval China and the Mongol Empire, move on to Europe and it's violent push outwards, discuss the many effects that both world wars had on our planet, and finally try to offer a glimmer of hope in the days of the climate catastrophe.