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Problem, research strategy, and findings: Form-based codes (FBCs), by definition, put more emphasis on built-form characteristics than do traditional zoning codes. Several municipalities are adopting FBCs as an alternative to Euclidean (traditional) zoning codes to achieve certain objectives; however, the extent to which these codes differ in integrating important planning and design criteria has not been examined. We use a case-study method and evaluate the extent to which the FBCs adopted by the City of Miami (Miami 21), as compared with the city's previous code (Ordinance 11000), reflects the Leadership in Energy and Environmental Design for Neighborhood Development (LEED-ND) criteria. We evaluate the contents of these codes on a 5-point scale for their concordance with LEED-ND criteria. The results indicate that Miami 21 generally goes beyond Ordinance 11000 in reflecting LEED-ND criteria; however, some of the important criteria, such as mixed-income diverse communities and certified green building, deserve more attention in Miami 21. Takeaway for practice: Planners in municipalities seeking alternatives to their traditional zoning code should not only consider replacing it with an FBC, but also to integrate planning principles that LEED-ND incorporates to strengthen the proposed code. They can benefit from the findings of this study when determining the extent to which certain built-form characteristics and LEED-ND criteria should be emphasized and in choosing an appropriate alternative to traditional zoning codes. [ABSTRACT FROM AUTHOR]