Around the world, an international movement of transition towns is transforming communities from the grassroots up by nurturing a caring culture, reimagining ways to meet local needs, and crowdsourcing solutions.

Imagine the perfect urban neighbourhood. Residential streets are peppered with shops and cafés. Schools, museums and theatres can all be reached on foot. Green spaces offer a quiet escape. Some cities, such as Copenhagen, Paris and Tokyo, already function this way. These “walkable” cities—sometimes called “15-minute cities”—offer everything that... See more