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Copyright of Tecnología y Ciencias del Agua is the property of Instituto Mexicano de Tecnologia del Agua (IMTA) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Urban environmental sustainability implies qualitatively reaching an environmental, socioeconomic, and institutional level that enables the balanced long-term operation of a city. This analysis is relevant given that cities concentrate the majority of the world's population and are the home of fundamental economic and social activities - and that cities also suffer environmental problems. The detection of a spatial pattern and distribution of sustainability is of interest to researchers and political and social agents for understanding the phenomenon and its possible solution by facilitating the delimitation and characterisation of the least sustainable areas of a city. The Urban Environmental Sustainability Index was prepared with 35 indicators that cover the three dimensions of sustainability, and apply spatial analysis techniques (spatial autocorrelation and cluster analysis) to the megalopolis of Mexico City. The index was validated and revealed an unequal distribution of levels of sustainability that decreased from central to exterior municipalities. A significant positive spatial association and clusters of high sustainability in the metropolitan centres and low sustainability in peripheral areas was found. The application of spatial correlation analysis techniques of the bivariate type is proposed to detect possible explanatory factors for sustainability in subsequent studies. [ABSTRACT FROM AUTHOR]

Copyright of Estudios Demográficos y Urbanos is the property of El Colegio de Mexico AC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)