It's no secret that Portland, Ore., is one of the world's top biking towns. (Full disclosure: I live and bike here, and love both.) Thanks in part to a bike culture that has led to the development of hundreds of miles of bike lanes, ample signage, and rows of bright blue parking racks, Portland gets accolades for healthy people and air.
But it is Copenhagen, Denmark, home to the 2009 climate summit, that tops pretty much every list you'll find as the world's best biking city, with a whopping 36 percent of commuters going by bike. … Read more