A Hippocratic Oath for People Who Take Care of Cities

Epidemiology studies the state of human health, as measured by the presence or absence of disease, as well as the causes of those diseases, whether genetic, behavioral, or environment. Someone should similarly be responsible for studying and treating the state of urban health, focusing upon the city’s circulatory system, and looking at causes including human behavior and the urban environment (which is usually taken as fixed) in which humans interact. As knowledge from epidemiology leads to treatments by doctors prescribing medicine, nutritionists telling the patient to change his habits, or regulators changing environmental standards, knowledge from transportation leads to treatments by traffic engineers prescribing angioplasty for the hardened arterials of our city, planners building bypasses, or gurus telling us to change our behavior or urban environment.

There is at least one useful lesson from medicine: First do no harm. We would not want a doctor to chop off our arm, and leave a gaping hole for a few decades while he figured out what to do next. We should consider why we permit destruction of functional if not optimal parts of cities well before we have any plan or resources to close the gaping wound with something else functional. The equivalent of a city’s doctors need to require replacement by something other than a vacant lot or surface parking before they permit demolition.