Is Democracy Good for the Environment?

This paper presents empirical evidence to support the existence of a relationship between democracy and one aspect of environmental quality, urban air pollution. The relationship between environmental quality and democracy is explored empirically using a regression analysis of urban air concentrations of three pollutants, sulfur dioxide (SO2), suspended particulate matter (SPM) and smoke, and two measures of democracy, the Freedom House Index and Polity III. The results suggest a significant and robust negative linear relationship between these pollutant concentrations and democracy level: the higher the level of democracy, the lower the ambient pollution level.

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