Over at our sister lighting publication, French lighting designer Roger Narboni writes an in-depth essay on the relationship of lighting design, lighting technology, cites, and the importance of night and darkness to the people who live in them. For the past century, lighting has progressed and reached into every aspect of the urban environment, changing people's relationship with the night for better and worse. As he writes: "Light urbanism and lighting master planning as we have known it for nearly three decades, is still too focused on the illumination of the city. This approach will, however, start to gradually disappear and as our cities transform, and evolve into what we can call 'a nocturnal urbanism.' " Read Roger Narboni's full essay at Architectural Lighting.