How can a Porsche be better for the environment than a Prius? If you use transit to commute, and only take the hot rod out on the weekends. Slate writer Joe Eaton sold his Volvo for a combination of transit and fun.
Photographer Camilo Jose Vergara's pictures document Harlem's journey from a "rundown version of Paris" in the 1970s to the "global Harlem" of luxury condos and corporate franchises [includes slideshow].
In an age of rapid technological improvements in almost every aspect of life, it's difficult to understand how a technology like trains could actually be less advanced now than it was in the 1940s, writes Tom Vanderbilt.
In this column, former New York Governor Eliot Spitzer calls on the Obama Administration to direct its stimulus package towards innovative technologies and "transformative" projects, not just the status quo roads and bridges of the past.