On the future. Astronomer Royal Martin Rees describes himself as a 'Cultural Anglican' rather than a believer. A recipient of the Templeton Prize, he's spent a lifetime examining the evolution of the Universe, including negotiating between religious dogma and scientific revelation. How do we reconcile faith into our scientific understanding of the future? What problems face humanity? And could religion ease the bumpy ride ahead? Featuring Ed Kessler, Martin Rees and David Perry.