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 STEP’s Wig Zamore speaks at EPA meeting February 3, 2006 Yeah, that’s what regional travel demand can feel like May 1, 2016 Boston Globe editorial: Health and the Big Dig January 19, 2005