Energy

The "Sustainable DC" initiative would reduce reliance on fossil fuels, encourage urban farming, and go big on solar panels. Some are skeptical.

Masdar, the futuristic urban development in Abu Dhabi, is in the wrong place and largely dependent on conventional transportation, but it's impressive nonetheless.

Motorists in greater Vancouver will likely pay an extra 2 cents a liter for gasoline to build a new transit line and support other transit projects .

Big houses in the suburbs or mixed-use neighborhoods in walkable communities? Those choices are at the core of a documentary and a TV show.

An examination by Planetizen concludes that "the jury is still out" on whether very tall buildings support good city life.

Because of Americans in their twenties — and some older people as well — planners must start paying closer attention to nonmotorized mobility and transit. 

The British magazine New Scientist argues that Western societies have reached maximum dependence on automobiles and are now turning away from cars.