Bike versus Car

I'm exceedingly fortunate. When I 'go to work' I have a two flights of stairs commute. Most of you don't have that luxury and many people don't live in bike friendly environments. That's been changing in a lot of urban and suburban locales and while you may not have seriously given thought to adding a day or two of biking to your jobs during the work week here's a compelling article about what it could mean if more of us did use bikes as transportation.

http://sustainablelinfield.edublogs.org/2011/05/23/making-the-shift-moving-from-motor-vehicles-to-bicycles/