The largest gathering of world leaders on climate change opened at the United Nations, facing calls for action to put the planet on course towards reversing global warming.
Current Secretary General of the United Nations. Born in South Korea in 1944, Ban has served both as president’s foreign policy and national security adviser. Ban took up his current role with UN on 1 January 2007 before unanimously re-elected in 2011. His major initiatives at the UN include chairing the 2007 Climate Change Summit; advocating for women’s rights and gender equality; setting up a disarmament agenda to maintain nuclear safety security; and seeking new measures to ensure United Nations’ operations are more transparent.