Ideas for Cities

This is a continuing brainstorm on the future of cities, inaugurated at the CEOs for Cities Velocity conference in September, 2009. We’ll post a new idea each day until we run out, at which point we’re counting on you to come up with something smart. Do you have a good idea for improving your city? Add it in the comments below, or tweet it to @GOOD with hashtag #cityideas—we’ll publish the best...