80% of the world lives in developing nations, but uses just 20% of global energy. To provide them access to modern technology and conveniences, we'd need to produce twice as much energy globally. Is this possible? Can we do it affordably, while reducing energy's environmental impact? Ashvin Dayal, SVP of Power & Climate at The Rockefeller Foundation, and Robert Stoner, Deputy Director for Science and Technology at the MIT Energy Initiative discuss.