Metro-Matrix Theory » External Relevant References » 03 Wilson Center
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The Challenge of the 21st. Century. Wilson Center |
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| In 2008, for the first time in history, more than half of all human beings lived in cit- ies. Cities are growing in population as well as in their geographic footprint at an accelerating pace.
Although megacities with populations over 10 million, such as To- kyo, Mexico City, and São Paulo, are widely recognized, most urban growth is taking place in so-called medium-size cities of between 1 million and 5 million. This reality changes how policymakers in every sphere can pursue their goals. |
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