From the ghostly stone heads of Easter Island to crumbling Mayan cities hidden deep in the jungle, the mysterious ruins of lost worlds and vanished civilizations continue to haunt us. How could such mighty societies fall? And could our skyscrapers one day stand derelict and overgrown like ancient temples?

Jared Diamond takes us on an epic journey around the globe, through the history of humanity and on to the future, to discover how - when tomorrow comes - we can be survivors.