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Abstract Sustainable development and livable communities represent the big visionary ideas of contemporary urban planning. But attempts to implement these popular visions can encounter a host of conflicts. The future of land use planning may well depend on how it copes with these conflicts. I propose the sustainability/livability prism as a tool to understand and express the conflicts, and I illustrate the prism's usefulness through an application to plans in the Denver area.
David R. Godschalk (2004) studied this question.