ibot: statistik

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  1. Trash Planet: Germany - Earth911.com
    The Trash Planet series highlights various countries around the world and how they handle their waste.
    06-02-2011 to , , , , and -1 others
  2. A Physicist Turns the City Into an Equation - NYTimes.com
    After two years of analysis, West and Bettencourt discovered that all of these urban variables could be described by a few exquisitely simple equations. For example, if they know the population of a metropolitan area in a given country, they can estimate, with approximately 85 percent accuracy, its average income and the dimensions of its sewer system.
    22-12-2010 to , , , , , , , , , and -1 others

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