Somerville News: Air pollution and health Post published:June 15, 2005 Post category:Health Issues “Somerville’s air is hazardous to your health” by William C. Shelton You Might Also Like Update on Tufts/STEP transportation health study July 7, 2012 People of color more likely to live near high-polluting roads June 29, 2020 Study on traffic pollution and heart attack risk September 23, 2011