When the Roman empire was at its zenith it was the largest empire ever seen, an unchallengeable power with mighty legions, an efficient administration, unparalleled economic power and a glittering metropolis at its centre. The fact that it took just a few generations to unravel was intimately connected not only to corruption and decadence, but also to climate change and imported epidemics sweeping the empire, argues Kyle Harper, author of the bestselling: The Fall of Rome. I am excited to speak to Kyle about the many reasons of the Fall of Rome, and the lessons its epic collapse might hold for our future.