Madeleine Finlay speaks to the Guardian’s architecture and design critic, Oliver Wainwright, about why the relatively obscure concept of the 15-minute city has become a magnet for conspiracy theories in recent weeks. And hears from Dr Richard Dunning about how the theory can be implemented in a way that’s fair to all residents. Help support our independent journalism at <a href="https://www.theguardian.com/sciencepod">theguardian.com/sciencepod</a>