Ryn Stepanski

Green City: Reaching critical mass

Fifteen years of free-wheelin'


GREEN CITY Fifteen years ago this month, San Franciscans mobilized for the first Critical Mass, an unpermitted monthly bicycle parade and social protest that has subsequently been exported to cities around the world.

The movement formed in the streets as the Commuter Clot, just a handful of bicyclists seizing their stretch of pavement together. Read more »