Dirt or development?

British air is too dirty, the newspapers reported this week.

But who decides what is dirty? As a historian, I see norms of cleanliness shift over the centuries. What is more, I see some of the roots of current norms going back to the nineteenth century or beyond.

According to anthropologist Mary Douglas, dirt is ‘matter out of place’.

In the case of British air, that matter is nitrogen dioxide. And it is out of place because it should not leave car exhausts in such great quantities as it does, building up in our cities. At least, that is the opinion of the European Commissioner for the Environment, who is about to sue Britain for breaching EU legislation. Environmental NGOs like Client Earth agree. They even have the UK Supreme Court on their side.

Yet local and national governments are failing to implement the legislation. Clearly, their norms and priorities differ from those who want to see British cities cleaned up immediately.

Charles Marville, Parisian rue des Francs-bourgeois-Saint-Marcel, mid-19th-century. Digital version from Paris Secret et Insolite

Picturesque or dirty? Charles Marville photographed the Parisian rue des Francs-bourgeois-Saint-Marcel in the course of Haussmann’s improvement project of the mid-19th-century. Digital version from Paris Secret et Insolite

In my work, I find similar conflicts over what matter is ‘out of place’. Take the case of early-nineteenth-century Dutch travellers. The place where they lived contained hardly any steam engines as yet, and little industry that might blow out polluting particles, when compared to Belgium or Britain in the same period. The Dutch economy ran largely on cows and sailing ships: two things which, although involving a certain amount of smelliness, did not usually concentrate in the streets of their cities.

So when Dutch travellers visited foreign towns, they were not so concerned with smoking chimneys. What they found dirty instead were unpaved roads, dust and mud. Indoors, matters were even worse as they encountered stuffy rooms which occupants kept the windows shut while smoking pipes or even keeping animals in the same space. Where other people felt snug and homy, these travellers felt sick.

On a typical stroll through an Italian city, they complained about streets being ‘[n]arrow, close, irregular, steep and crooked […] The heat […] was unbearable […] The smell, fuming towards me from the black, dirty, six-story high houses, I found insufferable [and I found] grimy rags [hung out] to dry’.

All in all, these travellers associated dirt with a lack of civilisation. In the undeveloped state in which much of Europe remained, according to these Netherlanders, matter had not yet found its way to the right places. Medieval alleys had not yet been straightened out, gutters not been cleared, ventilation shafts in houses not yet constructed. Nothing moved, everything was stuck.

This nineteenth-century ideal of movement and progress is oddly reminiscent of the behaviour of many governments today. Still thinking in eighteenth- or nineteenth-century terms, they like to see things move. They focus narrowly on economic growth, but do not invest in infrastructures that would make this growth a (literally) healthy one.

Of course, this has also much to do with the historical growth of an energy and transport sector that depends heavily on internal-combustion engines. This sector, and those parts of western governments that rely on it financially, have become entrenched: they resist the investments necessary for a shift towards different forms of energy storage (such as water reservoirs) and more efficient forms of releasing this energy (such as public rail transport).

Their public expressions of what is dirty and what is not have by now become pretty old-fashioned. If we follow their norms, the nitrogen dioxide in our streets is not matter out of place at all. It is precisely where it should be, and the sign of a roaring economy.

This text was published earlier on University of Sheffield’s History Matters, in slightly altered form.

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