The UN SDSN Leadership Council is led by the director of the Earth Institute at what university?
Jeffrey Sachs Jeffrey David Sachs ( ; born November 5, 1954) is an American economist and director of the Earth Institute at Columbia University, where he holds the title of University Professor, the highest rank Columbia bestows on its faculty. He is known as one of the world's leading experts on economic development and the fight against poverty.
Earth: The Power of the Planet Earth: The Power of the Planet is a British documentary television series that premiered on BBC Two on 20 November 2007. The five-part series is presented by geologist Iain Stewart.