The Earth is not flat, it is urban, says UN report
20 May 2016

The urban population of developing countries will double by 2030, while the area covered by cities could triple, says a new United Nations report.
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Families enjoying an afternoon in Simon Bolivar Park in Bogotá, Colombia | World Bank |
Such urban expansion, the report says, is wasteful in terms of land and energy consumption and increases greenhouse gas emissions
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