However, clean energy alternatives have the potential to reduce the amount of carbon that we’re putting into the atmosphere. Joining us on this edition is Doug Ray, associate director of the U.S. Dept. of Energy’s Pacific Northwest National Laboratory. He is a recognized authority on the scientific and technical challenges required to decarbonize the global energy system and the environmental consequences of energy production use on a global scale. He is interviewed by CU Science Update correspondent Beth Bartel. Hosted by Ron Knabenbauer.