In his more than two decades with the United Nations, Nikhil Seth has played a pivotal role in the development of first the Millennium Development Goals in 2000 and now the Sustainable Development Goals, slated for adoption in September 2015 as global guideposts for efforts to advance human and planetary well-being. Now director of the Division for Sustainable Development with the U.N.’s Department of Economic and Social Affairs, Seth recently shared his hopes for the SDGs with Ensia and Terry Waghorn of Forbes.