Mackinder and the heartland theory

We are raiding the Guardian long read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2022: A wave of bestselling authors claim that global affairs are still ultimately governed by the immutable facts of geography – mountains, oceans, rivers, resources. But the world has changed more than they realise By Daniel Immerwahr. Read by Christopher Ragland. Help support our independent journalism at theguardian.com/longreadpod