Agence France-Presse: A new UN report tackling greenhouse-gas emissions should serve as a "wakeup call" for entrepreneurs, especially in the energy sector, US Secretary of State John Kerry said Sunday. "We've already had wakeup call after wakeup call about climate science. This report is a wakeup call about global economic opportunity we can seize today," he said of the Intergovernmental Panel on Climate Change (IPCC) report issued in Berlin. "The global energy market represents a $6 trillion (4.34-trillion-euro) opportunity,...