This paper summarizes and expands the state-of-the-art understanding of the urbanization, development, environment, and inequality nexus. Economic growth/development, urbanization, and energy/electricity consumption are all highly correlated. While urbanization may be more evidence of economic progress than a catalyst for economic growth, there is some evidence that poor countries are overurbanized. Also, electricity consumption is at least a proxy for, if not a cause of, both nonagricultural employment and improve quality-of-life opportunities that help to encourage/cause rural-urban migration