Cancer risk tied to railway pollution Post published:August 16, 2007 Post category:Health Issues NPR reported on “Railways’ Toxic Emissions Tied to Higher Cancer Risk”. You Might Also Like Virtual community meeting June 1 on traffic pollution research May 20, 2020 Another report links car pollution to health problems January 12, 2010 STEP and partners receive grant to study air pollution near I-93 May 18, 2010