Free Thinking: Climate Change and Empire Building

Gambling, palace intrigue and scandal are part of the tale told in historian Nandini Das's new book about the four years Thomas Roe spent as James I's first ambassador to the Mughal Empire. Peter Frankopan has written about The Silk Roads and the First Crusades and has now turned his eye to the long history of the natural world and climatic change. They join Rana Mitter to share insights from the history books they are publishing