Rare protest in Qatar for UN Climate Change conference
Activists shout slogans and carry placards during a rally in Doha on December 1, 2012 to demand urgent action addressing climate change as the United Nations Convention on Climate Change continues in the Qatari capital. The chances of hitting the UN's global warming target are diminishing, but the goal can still be met if greenhouse-gas emissions fall by 15 percent by 2020, scientists said. (AFP/Getty Images)
From underwater mining to luxury yachts, Mohammed Al Barwani has interests in a staggering range of industries. The chairman of MB Holding explains how he built the firm from scratch to become a billion-dollar player.