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Summary and Implications

Summary and Implications

Chapter:
(p.188) Chapter 7 Summary and Implications
Source:
Constructed Climates
Author(s):
William G. Wilson
Publisher:
University of Chicago Press
DOI:10.7208/chicago/9780226901473.003.0007

This book covers many factors that connect to urban environmental issues, including energy and carbon, air, heat, water, nature, and the health and welfare of people, as well as the effect cities have on regional and global climatic patterns and the changes imposed on other species. Cities, by their very definition, involve natural lands turned into rain-repelling, impervious surfaces—roofs and parking lots—filled with people and cars. As cities become bigger and denser, impervious surfaces increase while trees, forests, parks, and grass decrease. Despite these problems, an economy of scale provides an effective argument for bigger, denser cities. Urban states have lower per capita energy use than rural states: With high densities come reduced individual transportation demands and lower electrical transmission line losses.

Keywords:   urban environmental issues, energy, developed countries, transportation, power plants, traffic

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