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 Wig Zamore’s remarks to the EPA on Particulate Matter December 6, 2007 STEP’s Wig Zamore presents to EPA on transportation-related pollution April 12, 2009 Yeah, that’s what regional travel demand can feel like May 1, 2016