Climate-change scientists have warned that the clock is ticking, environmental campaigners are blocking the streets, but until now the world of business has kept itself out of the fray. That is changing. From multi-billion dollar investors, to leaders of international companies, to banking bosses, the call is going out for business to take more responsibility for the way the world runs, and the way businesses run themselves. And it’s not just their environmental impact that’s coming under scrutiny. Inequality, their supply chains and the way they treat their workforce are becoming as much a part of companies’ bottom line as simple profit. Welcome to the Impact Economy. David Baker meets new business champions who want to overturn the old ways of doing things and put commerce at the centre of guaranteeing a future world that is good for everyone. But will it work or is it just a flash in the pan?

Presenter: David Baker