The cycling group Critical Mass turns 15 years old this month! It all began in San Francisco in September 1992 as a bunch of bike commuters getting together for a ride, and quickly turned into a global cycling phenomenon with chapters in most major cities worldwide, as well as many smaller locales. The last Friday of every month, cyclists gather for a ride, often snarling traffic by accumulating in numbers that can’t be ignored, to reclaim the streets on behalf of human-powered transport and at least temporarily reverse the traditional cars-first hierarchy of the road. Critical Mass has been credited in some places with linking fellow alt-transportation enthusiasts who then together manage to advance pedestrian and bike-friendly initiatives in their city. In other locations, it’s a popular rolling party. Whatever it is, it’s a blast. Happy 15th!
Get Grist in Your Inbox
Goodbye, everyone! A massive hole has opened at the End of the World
Mother jailed for letting her daughter run free — at the playground
Lay off the almond milk, you ignorant hipsters
A Tesla for the rest of us? Elon Musk dishes on the new, cheaper model
Nestlé doesn’t want you to know how much water it’s bottling from the California desert