Energy Switch S02 E05 Environmental Impacts of Energy on Air

CO2 emissions from energy get most of the attention, but there's a more immediate concern: particulate air pollution. Burning coal, wood, diesel and animal dung causes millions of premature deaths each year. We'll look at air pollution and ideas to reduce it, with Angel Hsu from the University of North Carolina, and Amod Pokhrel, UC Berkeley health sciences researcher.