By 2025, the developing world will be home to 29 megacities.
Through this interactive mapping feature with rich call-out boxes, the reader can explore the latest UN estimates and forecasts on the growth of megacities (urban areas with over 10 million residents). These 'cities on steroids' have been growing tremendously since the 1950s and present a unique set of geographic challenges and opportunities for their residents.
Tags: urban, megacities.
Via Seth Dixon, Felicity Southwell