Planetary Urbanization: Neil Brenner and Christian Schmid's Thesis

Key points

Brenner and Schmid recover Lefebvre: society is completely urbanised and the bounded city no longer exists.
They distinguish concentrated, extended and differential urbanization to read mines, fields and routes as urban.
Postcolonial and feminist critics charge the framework with erasing local difference and everyday life.

Planetary urbanization is the thesis, formulated by Neil Brenner and Christian Schmid from 2011 onward, that urbanization can no longer be understood as the growth of bounded cities but as a process that reorganises the whole planet: mines, plantations, shipping lanes, server farms, managed forests and deserts covered in solar panels are part of the urban fabric as much as Manhattan or Shanghai. Brenner, an urban sociologist at the University of Chicago, and Schmid, a geographer at ETH Zurich, recover Henri Lefebvre's hypothesis in The Urban Revolution (1970): society has become completely urbanised and the city, as a closed object, has ceased to exist.

Against the age of cities: the critique of urban statistics

The starting point is a critique of the United Nations statistic that more than half of humanity has lived in cities since 2007. Brenner and Schmid argue that the figure is misleading because it depends on administrative definitions of city that vary from country to country and because it presupposes a rural outside that no longer exists as such. What matters is not how many people live inside a municipal boundary but how urban processes, capital, infrastructure, consumption, governance, cut across whole territories. They call that conventional view the age of cities and propose replacing it with the study of the forms and scales of urbanization.

Concentrated, extended and differential urbanization

To describe the process they distinguish concentrated urbanization, the classic agglomeration of population and activity in cities, extended urbanization, the transformation of distant territories to supply those agglomerations, and differential urbanization, the constant destruction and recreation of urban landscapes by capital. The Amazon deforested for soy, the Arctic opened to shipping or the lithium extraction zones of the Andean plateau are, in this framework, operational landscapes of urbanization: they are not cities, but they exist because cities exist and they work according to their logic.

Consequences for urban policy and sustainability

These ideas have consequences for urban theory and policy. If the urban has no outside, urban studies must stop looking only inside the city and analyse the chains that connect it to the territories that sustain it. A city's sustainability cannot be measured only within its boundaries, because its footprint extends to mines, fields and landfills around the world. And urban justice must include the people who live in those operational landscapes, who bear the costs of urbanization without enjoying its benefits.

Postcolonial and feminist critiques of planetary urbanization

The thesis has generated intense debate. From postcolonial studies, Ananya Roy and Jennifer Robinson have criticised planetary urbanization for proposing a universal theory formulated from the North that erases differences between places and leaves little room for local agency. From feminist geography, Natalie Oswin and others have pointed out that the framework privileges the global scale and capital over everyday life, gender and race. Brenner and Schmid have replied that their proposal is an open framework for research, not a law, and that the critique confirms the need to rethink categories.

Beyond the controversy, planetary urbanization has changed how we look. Researchers around the world now map logistics corridors, extraction networks and energy landscapes as parts of the urban system, and the notion that every city has a global hinterland has become common sense in debates on climate and resources. The central lesson of Brenner and Schmid is that thinking the city requires thinking the planet, and that urban decisions are taken, whether we like it or not, at planetary scale.

Technology & power Urban economy Thinkers Waste Energy Infrastructure

Guide · Urban nature and infrastructure

Read the full guide →

Urban economics Urban economics studies why cities exist, why some grow and others do not, and how land, housing and transport prices form within them.
Thinkers Urban thinkers are the authors —geographers, sociologists, architects, economists, journalists— whose ideas explain the city: from Engels and Howard to Jacobs, Lefebvre, Harvey, Sassen or Gehl.
Waste Urban waste is everything the city discards —packaging, food, rubble, appliances— and managing it is the most expensive municipal service after water.
Energy The urban energy transition is the shift from a city that burns fossil fuels —in cars, boilers and power stations— to one that moves and heats with renewable electricity, consumes less and produces part of what it uses on its own roofs.

Frequently asked questions

What is planetary urbanization?

It is Neil Brenner and Christian Schmid's thesis that urbanization is no longer the growth of bounded cities but a process reorganising the whole planet, including the territories of extraction, cultivation and circulation that supply agglomerations.

What are operational landscapes?

They are territories transformed to sustain urban life, such as mines, industrial plantations, logistics routes or energy fields, which are not cities but exist and are organised according to the logic of extended urbanization.