The worst culprits aren't necessarily the ones you'd expect.
Scott Crawford created a model of his ideal Jackson, Mississippi - a pedestrian-friendly spot with lots of bike lanes and solar panels.
Don't count on gaining much from your moment in the sporting sun.
Side-by-side photos of the city then and now.
Designers create a "place to be seen" in Toronto.
GPS-enabled apps have changed the going-out culture in the city.
Smart design will reduce heat energy use, electricity use and water consumption.
Our weekly dump of public-restroom news.
Creative class residents gather on the east and west coasts.
The filmmaker lost a long-running zoning battle with his California neighbors. Now they may get something they want even less than a movie studio in their back yard: low-income housing.
The compactness of cities may not be a determining factor when it comes to energy use.
In the future, urban planners could lose their jobs to ultra-efficient slime molds.
The unlikely but unmistakably American intersection of bow hunting, pest control and hunger relief.
Local vendors will replace the embattled Olympics security company at soccer venue St. James' Park.
The Grand Palace Hotel on Canal Street will no longer house rats, bedbugs and "black goo."
Large sections of Beijing were inundated this weekend as the heaviest rains in 61 years drenched the city.
These riders swing through the air with the greatest of ease.
Blame the internet.