Lessons from Our Polluted Past
— April 17, 2019
By Walker Hanlon and Brian Beach
The challenge of air pollution
One important challenge that has received much less attention is air pollution. In the 19th century industrial cities such as London and Manchester had very high levels of air pollution, comparable to Beijing and New Delhi today. As in the case of water purification, the historical urban experience has the potential to offer new insights into the costs of air pollution, particularly in highly polluted environments, where available evidence remains sparse, and also over long periods of time.
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Walker Hanlon is Assistant Professor of Economics.