Megacities, mega-problems
How to manage a megacity
With more people living in huge cities than ever before, what are the most innovative ways to control urban sprawl?
A megacity is an urban area with more than 10m inhabitants. Today the world has 34 and the UN predicts that by 2035 the number will rise to 48. Although cities can improve livelihoods and create opportunity, uncontrolled urban sprawl can bring forth myriad problems. Pollution, congestion and overcrowding are only some of the unwelcome consequences when city planning fails to keep pace with growth. So what are the best methods being used to manage cities today, and how can they be applied to megacities in the future?