Urbanization is a rapid global trend, leading to consequences such as urban heat islands and local flooding. Imminent climate change is predicted to intensify these consequences, forcing cities to rethink common infrastructure practices.
Zonas urbanas
Urban areas as defined by the Census Bureau are densely-populated areas with at least 50,000 people ("urbanized areas") and densely-populated areas with 2,500 to 50,000 people ("urban clusters").