Transportation is the largest sector of planet-warming gases, yet Americans won't let go of their cars. Autos can mean freedom, but so can leaving them behind.

Culdesac Tempe in the Arizona suburbs is creating desert-friendly housing for more than 1,000 people, none of whom will park on site.

Culdesac, a mixed-use development in Tempe, Arizona, is billed as the “first car-free neighborhood built from scratch in the U.S.

Commentary: My journey down the anti-car rabbit hole.