Program on Energy and Sustainable Development (PESD) Quantitative Research Associate Ian Hardman co-authored a paper as an undergraduate at the University of Virginia which was published in Science today.  The paper, “Disparities in PM_2.5 air pollution in the United States,” analyzes 36 years of U.S. air pollution data and concludes that while we may have made significant strides in pollution control, we’ve been less successful in addressing disparities of exposure between communities. Read more