Study finds coal trains increase air pollution in U.S. urban areas
LOS ANGELES, May 1 (Xinhua) -- Coal trains and terminal operations add a significant amount of fine particulate matter (PM2.5) pollution to U.S. urban areas, according to a new study by the University of California, Davis.
The study, published in the journal Air Quality, Atmosphere & Health, quantifies pollution, with health and environmental justice implications for San Francisco bay area.