How to manage a megacity

By 2050, 6 billion people could be living in cities. How should the challenges caused by rapid urbanization be handled in the world ahead? Film supported by @ 00:00 - What are megacities? 01:01 - The problem with megacities 03:07 - How is Ahmedabad tackling rapid urbanisation? 04:45 - How can cities manage traffic? 07:04 - The problem with waste 08:00 - How is Recycle Central revolutionizing trash? 10:58 - What are the most urgent issues to resolve? Read our latest coverage on the world ahead: Sign up to The Economist’s daily newsletter to keep up to date with our latest stories: How has Ahmedabad tackled urban sprawl?: Read our special report on waste: How are new ways of moving around disrupting car-making?: What’s the future of driving?: