Editorial Board
Asia's Cities Could Save the Planet
New urbanites need greener buildings to live and work in.
Building stock in cities is expected to double.
Photograph: studioEAST/Getty ImagesThe world’s cities will add 2.5 billion more residents by 2050, more than half of them in Asia. The effect of this great migration on climate change will depend in part on what kind of homes, factories and office buildings they live and work in.