[VIDEO] The future of cities: What happens as more and more people move in?

The human population isn't going to stop growing - but containing growth and activity in hyper-dense cities will be the most sustainable and eco-friendly option for expansion. As the matchbox apartments pile on higher, what are the principles of design and policy that should be embraced by planners?

(RELATED: These 5 luxe hotels have placed considerable emphasis on eco-friendliness.)

Film producer Oscar Boyson set out on a months-long journey to answer that question, during which time he travelled the globe and the internet to seek out contributing voices to that discussion. The result is The Future of Cities, a compact and engaging documentary, well worth its 18-minute runtime. Here's the video.

The Future of Cities from Oscar Boyson on Vimeo.

Header image and thumbnail from Oscar Boyson's video The Future of Cities.