Texas leads the nation in wind power; in Washington, hydroelectric dams provide 60 percent of the state’s energy.
A proposed development in the city underscores the tradeoffs and design challenges of building cities around the car.
A look at Hartford, Connecticut.
With car ownership falling, taxis are more important than ever.
A proposal imagines 300,000 housing units built into six hyper-energy efficient domes.
A creative pulley system allows apartment-dwellers to stretch their green thumb.
They aren't going away, but we can at least limit their harm.
For those who love riding around town on what looks like a ridiculously large iPod, there is the BOXX.
They have LCD screens for news, wi-fi and can withstand major bomb blasts.