Financial Times: Ban Ki-moon hailed the dawn of a "green economy" in Bali last week, presenting climate change as a business opportunity as well as a threat. The United Nations secretary-general’s words were welcomed by many in business, particularly the more than 1,000 carbon traders and investors who turned up to the talks. Abyd Karmali, global head of carbon emissions at Merrill Lynch, said: "The talks were bruising but necessarily so given the pivotal nature of this COP …