America's Biggest Companies Pledge to Act on Climate Change

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Thirteen top business leaders from America's largest companies are gathering at the White House pledging to reduce their carbon footprints. But is it more than just good PR for these firms? With signs of panic on the Chinese stock market, we speak to Peter Jankovskis about the impact on global markets. Also in the programme, Simon Tulett has been talking to small businesses who say their trade is being threatened by new sales tax laws, that were designed to target BIG firms like Amazon and Apple. We find out why the price of black pepper is at an all time high. Plus our regular commentator Lucy Kellaway tells us why being married to a billionaire apparently isn't just about the money. (Photo: A wind turbine on a wind farm in Texas. Credit: Spencer Platt/Getty Images)