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Studying the electoral behavior of citizens helps to understand the continuity and change of the political processes. Due to their considerable share of the electoral roll and the characteristics of their electoral participation, the study of Mexican youths is fundamental to understand the processes of political change in the country. Based on data provided by the Encuesta Nacional sobre Cultura Politica de los Jovenes 2012, this work explores the various components that affect the political party identity of young people living in Mexican metropolitan areas in the context of the federal election under study. This paper describes the weight of each of the elements shaping the relationship between 18 to 29-year-old citizens and the Mexican political parties. Following a correspondence analysis and statistical modelling of the main variables that influence the formation of political attitudes, an empirical approach to understand the construction of youths' party identification is offered. Adapted from the source document.

En este articulo se destacan las singularidades del proyecto que tiene frente a si el cardenismo en Michoacan: convencer a sus seguidores de que es posible, a traves del PRD, pelear el gobierno y desmontar las bases de un legitimo escepticismo ciudadano ante las elecciones. Se trata de que la explicable inhibicion de su electorado potencial no alcance niveles tales que el abstencionismo facilite la labor del partido oficial

"The book presents a new vision of the nitrogen cycle and analyzes how the biological knowledge of the different processes involved in it can be used to reduce the environmental risk that nitrogen pollution exerts on the environmental quality of our planet. Problems such as contamination of groundwater or surface waters by nitrates or ammonium and how they can be mitigated by different biotechnologies are discussed in this book. The book will be a useful reference work for scientists, academic faculty and graduate students"--

A collection of lipase-producing microorganisms was isolated from sludge derived from an urban wastewater treatment plant. The microorganisms with the highest levels of lipase activity were selected in order to use triglycerides present in the sludge effectively and were then transformed with pdc:adhB genes for the production of ethanol. The transgenic strains showed high growth rates in diluted sludge and produced lipase protein in order to utilize fat present in the sludge, which provides an abundant source of carbon. Using sludge derived from treated wastewater as nutrient source, ethanol was produced by certain transgenic species belonging to the genera Proteus. Different forms of sludge were tested for maximal ethanol production, with dehydrated sludge being found to produce the best performance. ; This research was funded by the Spanish Ministry of Science and Innovation (projects CTM2009-09270 and CTM2017-84332-R), the Andalusian regional government (project P08-RNM-04180) and ESAMUR and CADAGUA, S.A., involved in sanitation and wastewater treatment in the Murcia region (contract 4304-00).

We explore smart city development, with a focus on the modalities of citizen participation, using an institutional logics approach. Taking Mexico City as our case study we describe the presence and dynamics of several logics influencing smart city development. At an organisational level we identify the bureaucratic and technocratic logics underpinning the practices of the governmental agency leading smart city development. Characterised by centralisation and the pursuit of efficiency, and framed by a discourse of austerity and financial control, these logics promote a modality of citizen participation that is limited and unidirectional in nature, with citizens positioned largely as users. At a supra-organisational level, we identify a logic of active citizen participation in urban governance that is formalised in city laws. However, this logic is itself entangled in a logic of clientelism and patronage, manifested through networks of power. These logics work synergistically to limit broader, inclusive citizen participation in, and realisation of benefits from, smart city agendas. We conclude that a richer understanding of institutional logics enhances the analysis of the social construction of the smart city in particular, situated contexts