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Ban Ki-moon was the eighth secretary-general of the United Nations.
The former South Korean foreign minister adopted the post in 2007. His term in office ended in 2016. Ban is the father of three children. He speaks Korean, English, French, Italian, German and Japanese. This is a collection of DW's latest content on former UN Secretary-General Ban Ki-moon.
Political and business leaders have committed more than $400 billion to the expansion of renewable and clean energy, the UN announced. They also vowed to dramatically expand access to electricity in developing nations.