Saudi Oil Minister Ali Al-Naimi speaks in a debate at Unesco's Business & Climate Summit in Paris with other panelists including Nicholas Stern, chair of the Grantham Research Institute; Francesco Starace, chief executive officer of Enel SpA; Jean-Bernard Levy, CEO of Electricite de France; and Andrew O’Brien, special representative for global partnerships at the U.S. State Department. The panel is moderated by Bloomberg Television's Francine Lacqua. (Source: Bloomberg)