Already, 1.2 million square feet of green space have been added to the city.
With few skilled farmers, many urban gardens become victims of neglect.
Smart growth policies are important, but they're not enough.
The people and ideas reshaping urban life
New estimates find that moving toward sustainability can greatly reduce energy and water treatment costs.
A focus on placemaking can drive the green movement.
ArrivalStar claims it invented live transit alerts. Your apps, taxpayer dollars, and the open data movement are all at stake.
The economic factors behind pollution and greenhouse gas emissions.
Cities need higher densities, but they also need green space.
The city embarks on an ambitious plan for an urban forest, with free food for all.
Denser, more populous cities are more energy efficient than their smaller counterparts.
Worldwide, the retail giant's stores cover as much land as Miami.
U.S. cities in the South have their own set of challenges to face in going green. But Atlanta, for one, is trying.
A video on what causes congestion, and how to fix it.
Some metropolitan areas emit much more CO2 than others.
Most smaller commercial buildings can't afford energy retrofits on their own. But what if they banded together?
The region has a bad smart growth record. But a new sustainable communities strategy just might change all that.
A UCLA class is trying to apply a strict building standard to an entire community.
Cycling has dropped precipitously in China's capital. Will it ever be popular again?