September 4, 2013, 9am PDT
Earth Policy Institute's bike share charts allow readers to compare bike share programs in the U.S., now numbering 34 with 18,000 bikes. As impressive as it is, a comparison with bike share programs abroad put the numbers in perspective.
May 17, 2008, 5am PDT
<p>Production of bicycles is more than double the production of cars worldwide -- and the gap between the two vehicles is widening. Many see this as an indicator of the global shift towards encouraging bicycle use as a viable transportation option.</p>
January 19, 2006, 5am PST
In "Plan B 2.0, Rescuing a Planet under Stress and a Civilization in Trouble", Lester Brown explores how city design fits into larger, global environmental issues.