Featured in green cities
Here’s how many trees are required to cool a city street
An equation for throwing shade
New Mexico Building a 20-Square-Mile Empty City in Which to Test Renewable Energy
In the old West, ghost towns often formed from catastrophe, when natural or economic disasters led occupants to abandon their...
Planned Portuguese Eco-City Is Controlled By A Central Computer Brain
Ambitious green city project strives to emulate Silicon Valley's R&D; culture
The Future of the Environment
A blueprint for the eco-tropolis of the future with fresh air, pristine water and cheap energy. Plus, 48 audacious ideas to save the planet
America’s Top 50 Green Cities
Want to see a model for successful and rapid environmental action? Check out our list of 50 leading green communities.