Tim Halbur

The "population center" is a statistical construct that designates the midpoint where the Northern and Southern California populations are equally balanced on either side. For the first time in a century, that midpoint has moved northward.

Congressional budget cuts spare some favorite programs of transportation reformers and smart growth advocates.

The National Journal has created a large, zoomable map of the world showing the footprint of humanity on the Earth.

The original layout of New York's street grid took advantage of the natural elements like light, wind and good soil to effectively encourage greenery in the city. Alec Applebaum says the city could do well to hearken back to the original plans.

The excesses of the "landscape urbanism" aside, Michael Mehaffy believes landscape architects are well positioned to lead the way towards positive change in the urban landscape. Here's why.