Climate change's big question: Can we get to zero carbon?

Recent reports stress the urgency of reducing carbon emissions to check the worst effects of climate change. On this episode we listen in as some very knowledgable experts wade into the possibilities, obstacles and potential solutions. The panelists: Paulina Jaramillo, associate professor of engineering and public policy at Carnegie Mellon University and co-director of the Green Design Institute; Ivonne Peña, an energy analyst who has worked for the National Renewable Energy Laboratory in the U.S. and the Colombia's Energy and Gas Regulatory Commission; and Greg Reed, a professor of electric power engineering at the University of Pittsburgh's Swanson School of Engineering, and director of Pitt's Center for Energy and the Energy GRID Institute.