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The Efficient City

Municipalities worldwide are exploiting a host of creative solutions to reduce energy consumption, water use, waste and emissions, while also making it easier for people to get around

By Mark Fischetti

Castles in the Air

The attacks of 9/11 supposedly ended the age of the skyscraper. A decade on we're building more than ever

By Mark Lamster


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September 2011

Science for the Modern World