Marc Hauser is a visionary. Or is he mad? A record-holding skydiver, Hauser has a grand ambition: to become the first man to jump into a hurricane force jet stream at over 8,000 meters. A big risk, but with potentially huge rewards. Hauser wants to show the power of the jet stream as an energy source, which he believes could solve the global energy crisis. As Hauser's preparations take shape, the scale of his challenge becomes clear.

• Documentary