By FREAKONOMICS on NY TIMES:
In recent years, replacing your car with a Schwinn has become a popular idea for reducing your carbon footprint. However, not everyone has rushed to their local bike store: fewer than 2 percent of the population relies on bikes for transportation. Women have been particularly slow adapters. New research on the subject suggests that increasing the number of cyclists in a given city can be as simple as asking women what they want. One expert says: “If you want to know if an urban environment supports cycling, you can forget about all the detailed ‘bikeability indexes’  just measure the proportion of cyclists who are female.â€Â
