From the BBC World Service: Chief executives have been urged to plan for computer security breaches by going back to pen and paper. The U.K. government told CEOs to plan offline contingencies after a number of high-profile attacks on companies — hacks that cost global brands millions of dollars. We'll learn more. Plus, delegates are in London for U.N. talks aimed at reducing the environmental impact of global shipping. And, we'll hear about the impact of tariffs on Swiss businesses.