In Mexico, water planning is based on the National Water Law, the core of which is Integrated Water Resources Management (IWRM). The municipality provides wastewater treatment and reuse, and an integrated approach is mandatory for these processes. However, a traditional (non-integrated) management regime has prevailed in water legislation, resulting in pollution and the inefficient use of water. The objectives of this research were to analyze the Mexican legal framework and international guidelines in the use of reclaimed water for agricultural irrigation and environmental discharges, and to evaluate challenges facing reclaimed water in the Maneadero Valley, Baja California, as a case study. Results show that wastewater reuse was implemented in the absence of integrative planning and assessment of the potential impacts on the environment and public health. In addition, gaps between decisions linked to the legal attributes of the relevant institutions were identified. Defined roles across the three levels of authority, transparent and congruent funding, coherent water-quality requirements and the strengthening of stakeholder participation are needed to adopt integrated water resource management for reclaimed water use. The alignment of common goals on public health, environmental protection and agricultural development between authorities and the different sectors is crucial to bridge these challenges.

In the last three decades, Mexican water management policy has been reformed to include the participation of social actors in the decisionmaking process. Nonetheless, water governance receives intense criticism from those who consider that this participatory approach has 2019, Instituto Mexicano de Tecnología del Agua Open Access bajo la licencia CC BY-NC-SA 4.0

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Air pollution in developing countries is a growing concern. It is associated with urbanization and social and economic structures. The understanding of how social factors can influence the perception and the potential impact of air pollution have not been addressed sufficiently. This paper addresses the social vulnerability and exposure to PM10 association and its influence on the air quality perception of residents in Mexicali, a Mexico–US border city. This study used individual variables and population census data, as well as statistical and spatial analyses. A cluster of socially vulnerable populations with high exposure to coarse particulate matter (PM10) was found in the city’s peripheral areas. The spatial distribution of the local perception of air quality varied by the exposure zones of the estimated PM10 concentrations. Respondents living in very high exposure areas perceive air quality as “poor,” contrarily to a worse perception in areas of intermediate and lower exposure to PM10. Proximity to stationary sources of pollution was associated with a poor perception of air quality. Results also indicate that low household income and poor air quality perceived at the place of residence negatively influences the perceived changes in the air quality over time. The knowledge of chronic health effects related to air pollution was scarce in the sampled population, especially in the areas with very high exposure and high social vulnerability. These findings can serve as a support in local air quality management.

English Abstract: Coherence for Sustainable Development (PCSD) has promoted sustainability through policy coordination, but to what extent does it respond to the needs of local communities? Scholars of PCSD have acknowledged how it has been considered as an end in itself rather than a means to achieve normative impact. A major limit of PCSD has been its institutionalized nature, as mechanisms for social participation have not been highlighted in implementation strategies. This article addresses this issue. It proposes “pull-push-match” as a methodology for the establishment of participative PCSD. The article, co-authored by a team of researchers and practitioners from Mexico, addresses PCSD in relation to Indigenous communities.Spanish Abstract: La Coherencia de Políticas para el Desarrollo Sostenible (CPDS) ha promovido la sostenibilidad mediante la coordinación de políticas, pero ¿en qué medida responde a las necesidades de las comunidades locales? Los estudiosos de la CPDS han reconocido que ésta se ha considerado un fin en sí misma más que un medio para lograr un impacto normativo. Uno de los principales límites del CPDS ha sido su carácter institucionalizado, ya que los mecanismos de participación social no se han destacado en las estrategias de implementación. Este artículo aborda esta cuestión. Propone el “pull-push-match” como metodología para establecer un CPDS participativo. El artículo, elaborado por un equipo de investigadores y profesionales de México, aborda la CPDS en relación con las comunidades indígenas.French Abstract: La cohérence des politiques de développement durable (CPDD) favorise la durabilité par la coordination des politiques, mais dans quelle mesure répond-elle aux besoins des communautés locales? Les chercheurs dans ce domaine ont montré que la CPDD est considérée comme une fin en soi plutôt que comme un moyen d’avoir un impact normatif. L’une des principales limites de la CPDD a été sa nature institutionnalisée, car les mécanismes de participation sociale n’ont pas été mis en évidence dans les stratégies de mise en oeuvre. Cet article aborde la question et propose la méthode “pull-push-match” pour l’établissement d’une CPDD participative. Il est co-écrit par une équipe de chercheurs et de praticiens au Mexique et traite de la CPDD en relation avec les communautés indigènes.