Nighttime in the city

Essay

Nighttime in the city

Q&A with Jess Reia
Jess Reia headshot
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he emergence of an interdisciplinary field called night studies over the last 20 years has brought to light reflections on how urban governance is applied to the 24-hour cycle. Calls for a science of the night that also informs evidence-based nighttime policymaking emerged, with scholars and advocates looking at small and big data for answers. Jess Reia received a CGII Global Programs of Distinction grant to investigate nocturnal data, along with collaborators at UVA and in Canada and Mexico. Their work will look at how the definitions of “meaningful” or “valid” data are shaped by both the technologies used to collect, store, and represent it, as well as by who performs these tasks, whether communities or governments.

Tell us about your approach to night studies.

Reia: Urban governance is largely day-centric, as most policies governing cities focus on daytime and traditional business hours, not necessarily capturing the specific nocturnal challenges people and areas face after dark. The night itself has been studied and examined from different angles and disciplines, from history to biology. It was only recently, however, that it became a key subject of study with the consolidation of night studies as a field.

Our project works to understand what makes something data, the data voids in nighttime governance, and when data should not be collected. We ask two main questions: How are communities and governments defining the meaning of valid data when documenting, governing and representing the night in North America? How can data practices respond to the needs of nocturnal communities, especially those at the social margins of the city, without reproducing harm or a narrow, machine-centred definition of data?

Urban governance is largely day-centric, as most policies governing cities focus on daytime and traditional business hours, not necessarily capturing the specific nocturnal challenges people and areas face after dark.

What drew you to this field?

Reia: I have always been interested in cities and how they are governed. In 2019, while working at McGill University in Montreal, I became a member of the city’s first Night Council, led by the nonprofit MTL 24/24. I worked closely with local authorities and civil society organizations to prepare reports and co-create a nightlife policy, contributing particularly to discussions on open data and artificial intelligence in relation to the urban night. Around the same time, I joined various groups of scholars and practitioners worldwide reflecting on night studies, and through one of these networks, I began collaborating with my co-investigators in Mexico and Canada.

You have commented on the need to investigate our definitions of “meaningful” or “valid” data. How would you redefine (or eliminate) those terms?

Reia: The status of data concerning the nighttime of cities has been shaped by two real or perceived features of the urban night. One is the longstanding treatment of the night as a period defined principally through its associations with criminality, danger and moral transgression. This has meant that many of the key sources of data on the nighttime activity of cities are to be found in police records, public investigations of morality, journalistic reporting on crime and other sources which emphasize the night’s supposed tendency to stimulate criminality.

Another factor limiting data availability has been the ephemerality of nighttime activity, particularly in the cultural realm. The culture of the night is very often a culture of punctuated events rather than of enduring institutions. With that in mind, I have been studying the night as a complex ecosystem that involves people, spaces, nonhumans and activities. It covers everything from snow removal and maintenance to healthcare and cultural institutions.

To truly understand the night, we need to recognize its uniqueness by looking beyond common definitions and formats, including ephemeral media, archives, citizen-generated data, and more. We want to expand what is seen, considered and used as data in nighttime policymaking.

Satellite image of lights at night across North America

You are collaborating with scholars in the U.S., Canada, and Mexico. Tell us about those collaborations.

Reia: The research team includes Will Straw (McGill University), Alejando Mercado-Celis (UNAM), Yolanda Macías (UAM), Pedro Francisco (UVA), Julianne Sweeten (UVA) and me. These are people I have been collaborating with for years. During the pandemic, to bring people together, we co-organized a free monthly webinar featuring speakers from around the world working on night-related projects. From there, we continued collaborating on other projects, events, and policy efforts. We always try to think about the night transnationally, as many cities share similar challenges in nighttime governance while presenting unique ways to address problems and improve life in urban spaces. The U.S. has a lot to learn from Canada and Mexico, and they can also learn best practices from here.

What do you plan to produce with your results?

Reia: We plan to consolidate the existing network of North American nightologists, with UVA as its core, through a series of public workshops. We will also publish a trilingual report and research guide (English, Spanish, French) on night studies methods of inquiry, practices around nocturnal governance, and community-centred data collection across the three countries. One of the main results we hope to achieve is to create the first-ever International Observatory for the Nighttime Economy and expand the network more globally, making UVA an international reference in socially engaged, interdisciplinary night studies.

Emily Mellen

Global Communications Officer