Question

what do we call it when people move out of downtown areas, leaving only the poor, reducing beautification and public services, which are paid for with taxes? urban blight smart growth

Explanation:

Urban blight refers to the decline of urban areas when more affluent residents move out, leaving behind lower-income populations, which leads to a reduction in tax revenue, public services, and neighborhood upkeep. Smart growth focuses on sustainable, compact urban development, which is the opposite of the described scenario.

Answer:

Urban blight