Even marathoners destined to leave a carbon footprint
Posted: October 22, 2012 at 2:38 a.m.
Nationwide, people are flocking to marathons: Between 2000 and 2009, the number of participants has increased 58 percent. This growing obsession with covering vast distances by foot has me thinking about its environmental efficiency compared to other modes of transit.
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ActiveStyle, Pages 27 on 10/22/2012