Climate Change, Temperature, and Homicide: A Tale of Two Cities, 1895-2015

Lynch, Michael J., Stretesky, Paul and Long, Michael A. (2020) Climate Change, Temperature, and Homicide: A Tale of Two Cities, 1895-2015. Weather, Climate, and Society, 12 (1). pp. 171-181. ISSN 1948-8327

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Official URL: https://doi.org/10.1175/WCAS-D-19-0068.1

Abstract

It has been argued that the temperature increase caused by anthropogenic climate change will produce a significant increase in violent crime. Support for that prediction is often based on statistical analyses of seasonal temperature and crime data cycles across days, months, and quarters and sometimes on large geographic areas. Within-year temperature changes are very large, however, relative to the 30-yr temperature increases employed to measure climate change. In addition, because temperature trends associated with climate change vary geographically, analyses should employ small geographic units for which temperature changes are measured over yearly intervals and for long periods of time. To address these conditions, this study examined the long-term temperature–crime association for homicides in New York and London for 1895–2015. Consistent with previous studies examining seasonal weather and crime patterns, we found a positive correlation between annual homicide rates and temperature, but only at the bivariate level. This relationship became statistically insignificant in both New York and London when gross domestic product is controlled. Moreover, the bivariate relationship between temperature and homicide is statistically insignificant when correcting for nonstationarity. Thus, it does not appear that climate change has led to higher rates of homicide in New York and London over the long term. These nonfindings are important because they suggest that studies of climate change and violence might do well to consider alternative mechanisms that mediate the relationship between climate change and violence.

Item Type: Article
Uncontrolled Keywords: Climate change
Subjects: F800 Physical and Terrestrial Geographical and Environmental Sciences
L300 Sociology
Department: Faculties > Arts, Design and Social Sciences > Social Sciences
Depositing User: Ay Okpokam
Date Deposited: 02 Jan 2020 16:08
Last Modified: 05 Oct 2020 15:35
URI: http://nrl.northumbria.ac.uk/id/eprint/41793

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