“15-minute neighbourhoods,” the latest urban planning buzzword, might just be a kind of silver bullet that addresses both issues at once. Developed by Sorbonne Prof. Carlos Moreno and popularized by Paris Mayor Anne Hidalgo, the concept is at once both simple and revolutionary: cities should be designed so that people can access needs and amenities within a 15-minute walk. It’s simple because the idea can be captured in a single sentence. It’s revolutionary because it amounts to a sea change in urban planning practices, with huge implications for how we live in cities. Read more