By 2050, 6 billion people could be living in megacities. How should the challenges caused by rapid urbanization be handled in the world ahead? Film supported by @MissionWinnow<br /><br />00:00: What are megacities?<br />01:01: The problem with megacities<br />03:07: How is Ahmedabad tackling rapid urbanisation?<br />04:45: How can cities manage traffic?<br />07:04: The problem with waste<br />08:00: How is Recycle Central revolutionizing trash?<br />10:58: What are the most urgent issues to resolve?<br /><br />Like our video content? Take our survey to tell us why: https://econ.st/3oYeC61 <br /><br />Read our latest coverage on the world ahead: https://econ.st/3HtLmuQ <br /><br />Sign up to The Economist’s daily newsletter to keep up to date with our latest stories: https://econ.st/3gJBH8D<br /><br />How has Ahmedabad tackled urban sprawl?: https://econ.st/3Hv2yjH <br /><br />Read our special report on waste: https://econ.st/3qNr4Xk <br /><br />How are new ways of moving around disrupting car-making?: https://econ.st/3kKI0Kf <br /><br />What’s the future of driving?: https://econ.st/3crAnDL