Barcelona is a decade into transforming many of its streets into green, car-light public spaces. Earlier this year, the city announced yet another major expansion of the project, with a goal of making a third of city streets green by 2030. And as Americans experience an epidemic of loneliness, a built environment that fosters social connection might be crucial for public health. Making a neighborhood more attractive with more walkable, green streets could mean triggering or speeding up gentrification. More walkable communities with high-quality public spaces are much more expensive to live in, indicating high demand.

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Persons: —, Sven Eggimann, Tayana Panova, Jonathan Cohn, who's, Eggimann, pyi2lKhNzc, Billy Fields Organizations: Service, ZHAW School of Architecture, Residents, Urban, Smart Growth Locations: Barcelona, Spanish, Switzerland, New York City, Barcelona's, Vitoria, Europe, Valencia, Manhattan, Francisco, Superblocks