Building green cities means creating human environments that sustain natural habitats, regenerate socioeconomic viability, and maintain healthy standards of living. Part of this formula is examining how the population can be distributed in the available space to best achieve this goal. Residential design, forms of transportation, and communication infrastructure greatly affect social and economic mobilization, physiological and psychological health, and the ecosystem. With rates of urbanization intensifying across the globe and an increasing awareness of climate change, managing human populations in sustainable urban environments is an increasing challenge. Population density is a measure of the number of individuals occupying a given area of space. In the study of cities, a correlation is drawn between densely populated urban regions and energy consumption: The greater the population ...