October 21, 2013: How will the world's energy production and consumption change by 2040? Will there be different distributions of hydro/petroleum/nuclear-sourced and "alternative" power sources including solar, wind, and bio-based? How will developed and developing economies differ? These and other questions are discussed by Rob Gardner of ExxonMobil, Howard Gruenspecht of the Energy Information Administration (part of the US Department of Energy), and Vivien Foster of the World Bank. Moderated by NPR's Richard Harris, this installment in the Global Challenges Discussion Series was hosted at the AAAS headquarters in downtown Washington, DC. #acsscicon #aaas

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