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"When over 90% of a city's residents are happy with their city, somebody must be doing something right. In Curitiba, a quaint, mid-sized town in southern Brazil, some forty years of sensitive urban"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/a-convenient-truth-chronicles-curitibas-urban-innovations.html>