Most of humanity today lives an a metropolis. Is all climate local? Cities are the locus of many of the world's unique environmental, social, and economic problems. But they are also demonstrating a unique talent for applying smarter technology and policy to create a better future.

Scientific American contributors and editors focus on cities in the September 2011 issue.
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SEE ALSO:

International Herald Tribune Special Report on Cities

"An Urban Jungle for the 21st Century" (New York Times) [3]

"Will the Olympics Save East London?" (New York Times) [4]

"To Build a Better Grid" (New York Times) [5]

"A Pioneering Spirit Despite Visions That Went Unrealized" (New York Times)
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"What Drives Cities’ Runaway Growth?" (Green/NYT)
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