Reurbanisation refers to the
movement of people back into an area that has been previously abandoned.
[Book: Paine, J. & Bliss, S. (2000). Geoactive Stage 5: Australian Geography (Ed. 2) Milton, Qld: John Wiley & Sons Australia, Ltd]
Reurbanisation is usually a government's initiative to counter the problem of
inner city decline. Inner-city decline usually occurs when problems such as
pollution
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the ...
,
overpopulation
Overpopulation or overabundance is a phenomenon in which a species' population becomes larger than the carrying capacity of its environment. This may be caused by increased birth rates, lowered mortality rates, reduced predation or large scal ...
, inadequate housing, etc. arise.
References
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Urban development