While urban growth is heavily regulated in industrialized countries, most of the world develops without a legal planning framework.
"While regulated, structured growth is the coin of the realm in the US and in many metropolitan areas overseas, informal land development - that is, urban neighborhoods built outside of a conventional property ownership and land market system -- is actually the predominant model of urban development and urban growth in cities in the developing world, says Lincoln Institute visiting fellow Claudio Acioly."
"Acioly, an architect and urban planner with the Institute for Housing and Urban Development Studies-IHS, The Netherlands, has studied the phenomenon of informality or informal settlement in Africa, Latin America, Asia and Central and Eastern Europe."
"In a recent Lincoln House lecture, Acioly showed how informal settlement persists despite housing programs, settlement upgrading and land regularization policies. Informal land development - in the form of illegally and informally developed housing and human settlements - typically accounts to 20 to 70 percent of urban growth in cities in the developing world."
"Informality may soon be knocking on the door of industrialized countries as well," remarks Acioly.
FULL STORY: Exploring informal settlement
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Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
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New York City School Construction Authority
Village of Glen Ellyn
Central Transportation Planning Staff/Boston Region MPO
Institute for Housing and Urban Development Studies (IHS)
City of Grandview
Harvard GSD Executive Education
Regional Transportation Commission of Southern Nevada
Toledo-Lucas County Plan Commissions