Historian Peter Frankopan is best known for The Silk Roads, a timely study of how global trade routes shaped the modern world. His latest book, The Earth Transformed, focuses on another salient subject: how climate changes have influenced civilisation since time immemorial. He speaks with Janice Pariat, author of Everything the Light Touches β a novel that cleverly spans continents and centuries. Expect an exploration of geography, the environment and where our world is heading.