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Special Report

Urban Visions: The Future of Cities

What will population centers look like in 20 years' time? Innovations in transportation, energy production and technology will have to keep pace with a host of challenges

  • June 15, 2010
Growing Vertical: Skyscraper Farming

Growing Vertical: Skyscraper Farming

Cultivating crops in downtown skyscrapers might save bushels of energy and provide city dwellers with distinctively fresh food

September 1, 2008 — Mark Fischetti

What Is the Smart Grid?

Updating the aging electricity grid may save money, energy and greenhouse gas emissions

May 10, 2010

Encourage Walking with Urban Planning

People take cars for walkable trips in part because such trips are boring and unattractive. Better design of the urban environment could create more pedestrians. Karen Hopkin reports

June 3, 2010
Sprawling into the Third Millennium

Sprawling into the Third Millennium

Suburbia was a dream inspired by revulsion to city life. Now many suburbs are just as crowded, and sprawl moves on.

March 1, 2001 — Rodger Doyle
Powering a Green Planet: Sustainable Energy, Made Interactive

Powering a Green Planet: Sustainable Energy, Made Interactive

The Web-only article below is a special rich-media presentation of the feature, "A Path to Sustainable Energy by 2030", which appears in the November 2009 issue of Scientific American. It was created by FlypMedia.com. Use the arrow in the lower corner to navigate

October 26, 2009

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