Former US Vice President Al Gore attends a session of the World Economic Forum (WEF) annual meeting on January 21, 2015 in Davos. The world's political and business elite gathered for their annual meeting in the glitzy Swiss ski resort of Davos on January 21, with the shadow of recent attacks in France and ongoing global conflicts looming large. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP via Getty Images)
