San Diego County has made it easy for its cities to convert to energy-efficient streetlights.
There are big statues of gods and heroes almost everywhere, but Asia dominates.
And its author makes the case for why our cities need more dummies getting involved.
Groundwater pumping and rising sea levels could leave millions flooded out of their homes.
Warmer temperatures help city trees grow eight times faster.
With few skilled farmers, many urban gardens become victims of neglect.
New estimates find that moving toward sustainability can greatly reduce energy and water treatment costs.
Preparing for crowds of foreigners when it hosts the 2014 Winter Olympics, a city looks to expand its vocabulary.
According to a new study, people in different places use the word very differently.
A new report examines the link between standardized test scores and restrictive zoning regulations.
Planning and construction all over the country will need to shift dramatically as the retired population grows.
Using a car-top video camera, USC researcher Andrew Curtis tracks disaster recovery over time.
Collectively, America's cities contribute more to global GDP than the rest of the world's cities combined.
Paris, San Francisco, and Guangzhou have very different approaches to realizing big plans.
Social interaction can be encouraged by our built environment. But it isn't always.
Small improvements in roof and road reflectivity are estimated to help create big reductions in carbon emissions.
The spread-out city will implement a privately-funded, 4,000-bike system later this year.
An advocacy group is growing as the city prepares to pay more attention to its walkers.
The southeast Asian country has become a hotbed of road deaths.