Predicting the future is a skill that can earn investors and businesses a fortune - but get it wrong and disaster looms. In sectors like energy and technology planning decades ahead is an absolute necessity - but how can CEOs know what the world will look like in 2030 and how do they persuade shareholders and staff to come along for the ride? Evan Davis meets three business leaders who are placing massive bets on the future of farming, biomass fuel and the creation of a hyper-connected global society and finds out about timing, balancing risk and holding your nerve. Show less