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The aim of this investigation is to show the sustainability features of the chinampa practice in the Valley of Mexico: Xochimilco, applying a FODA diagnosis in order to reveal the environmental transcendence of this particular agricultural model. It is possible to determine that the development of the chinampa has basically two components: the native and social. The first one constitutes the local ecosystem composed by shallow water lakes that are included in a great surface across the valley of Mexico. The second one concerns to the social aspect; which is how the work gets organized, the cultural practices and the implementation of methods and agricultural technologies that are the result of the thousand-year-old wisdom of the autochthonous groups of the chinampa zone. Which has helped to support the integration of the members of the family, as well as providing self-employment and a self sustained source of food, these features show that this system of agricultural production is sustainable in the environmental, social and economic aspects. Nevertheless the chinampa production is affected by diverse aspects as the development of modern agriculture technologies, the urban growth and pollution of the water.

In this issue we address the practice of rainwater harvesting in different settings, presenting experiences from Argentina, Brazil, Chile, Mexico, and Paraguay. Some of the papers were originally presented at the IX International Meeting of the WATERLAT-GOBACIT Network“Water, Rights, and Utopias: priorities in the process of democratization of water politics“, João Pessoa, Paraiba, Brazil, 3-7 September 2018. Article 1 was authored by David Sauri, from the Autonomous University of Barcelona, Spain, co-editor of this issue. The article provides an overall introduction to the topic of rainwater harvesting. Article 2, by Martin Sanzana Calvet, Institute of Strategic Studies for Human Development (INEDH), Concepción, Bio-Bio, Chile, addresses the practice of fog catching in arid and semi arid regions of Chile. In Article 3, Daniel Tagle-Zamora, University of Guanajuato, Leon, Guanajuato, Mexico, presents findings from research on the implementation of public policies oriented at the provision of rainwater catchment technologies, mostly for domestic use ,in several municipalities of the semi arid State of Guanajuato, Mexico. Article 4 was co-authored by Roberto de Sousa Miranda, Federal University of the interior of Pernambuco and Federal University of Campina Grande, Paraiba, Brazil, and Laiany Tassila Ferreira, Federal Rural University of Pernambuco, Brazil.The article discusses the implementation of a national plan to provide rainwater cisterns in the semi arid region of North eastern Brazil, with emphasis on the experience of the State of Paraiba. Finally, Article 5, by Ana Maria Attias Sole and Ricardo Lombardo Lopez, from the North-eastern National University, Resistencia, Chaco, Argentina, provides an overview of the historic legacy of water practices and technologies inherited fromthe“syncretism”between indigenous communities (Tupi-Guarani), and the Jesuit territorial expansion that took place between the early seventeenth and the mid eighteenth centuries in a large region of South America encompassing parts of Argentina, Bolivia, Brazil, Paraguay and Uruguay. The article focuses mainly on examples from Argentina, Brazil, and Paraguay, and provides insights into the significance of historical-cultural research in the production of knowledge about rainwater technologies and the associated culture and practices, which also contributes to our network’s Thematic Area 7, Water-related Art, Communication, Culture, and Education.

El siglo XXI es el siglo de la sostenibilidad ambiental y de la lucha contra el cambio climático. El cambio climático va a condicionar políticas públicas y acciones privadas en todo el mundo para alcanzar el objetivo de reducción de emisiones establecidos en los acuerdos internacionales (Kyoto, París). El objetivo de este trabajo es llevar a cabo una revisión de los efectos ya constatados del cambio climático en la región mediterránea, así como las medidas de adaptación y mitigación a corto-medio plazo para hacer frente al calentamiento global, como son la adaptación de los espacios urbanos (escala local), y la mejora de la enseñanza sobre este fenómeno. Según la Agenda 2030, y concretamente los Objetivos de Desarrollo Sostenible, el nº13 (“Acción por el clima”), establece dos acciones principales que los países deben culminar en 2030: la aprobación de leyes y planes de mitigación y adaptación, y la puesta en marcha de programas educativos. Finisterra, Vol. 58 N.º 122 (AOP) (2023)

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Decomposition of the stocks returns in the sustainable index of the mexican stock exchange. Revista Mexicana de Econom\u00eda y Finanzas, 10(1), 87-100. https://bit.ly/3rUOYzk", "Verheyden, T., Eccles, R., & Feiner, A. (2016, July 11). ESG for All? The Impact of ESG Screening on Return, Risk, and Diversification. Journal of Applied Corporate Finance, 28(2), 47-55. https://bit.ly/3yIuCxe"]} Resumen Las empresas participan en actividades ESG para lograr mayores rendimientos financieros y señalar el cumplimiento en el mercado. El vínculo entre ESG y rendimiento de la acción bursátil de la empresa aún no está bien establecido porque la literatura está llena de resultados contradictorios y paradojas. Este estudio se realiza con el objetivo de presentar las contribuciones teóricas y empíricas que tienen por objeto de estudio evaluar el rendimiento ajustado al riesgo de la inversión ESG, para ello se consideran investigaciones a nivel global, las cuales son recuperadas en las principales bases de datos. Los resultados indican que las investigaciones en su mayoría son aplicadas para mercados financieros desarrollados, son escasas las investigaciones en los mercados emergentes. El tema del rendimiento de la inversión ESG al ser comparada con la inversión convencional presenta resultados heterogéneos, hay quienes indican que la inversión ESG paga una prima, hay otros que encuentran que la inversión ESG presenta mayores rendimientos que la inversión convencional y finalmente hay un grupo que indica que la inversión ESG al ser comparada con la convencional tienen el mismo rendimiento. Abstract Companies engage in ESG activities to achieve higher financial returns and signal compliance in the marketplace. The link between ESG and company stock performance is not yet well established because the literature is full of contradictory results and paradoxes. This study is carried out with the objective of presenting the theoretical and empirical contributions whose object of study is to evaluate the risk-adjusted performance of ESG investment, for which global research is considered, which is retrieved in the main databases. The results indicate that most of the research is carried out for developed financial markets, while research in emerging markets is scarce. The issue of ESG investment performance when compared to conventional investment presents heterogeneous results, there are those who indicate that ESG investment pays a premium, there are others who find that ESG investment presents higher returns than conventional investment and finally there is a group which indicates that the ESG investment, when compared to the conventional one, has the same performance. Ponencia presentada en el Primer Congreso Internacional Multidisciplinario "Ciencia, Tecnología e Innovación: Una mirada multidisciplinaria a los desafíos globales de la Agenda 2030", del 13 al 15 de octubre de 2022.

Currently almost all energy is provided by fossil fuels that increase greenhouse gas emissions contributing to global warming. These emissions can be reduced with the use of renewable energy produced from biomass such a livestock manure. The manure is raw material for production of electricity and thermal energy. Anaerobic digestion of waste can reduce emissions by capturing methane, a greenhouse gas produced by waste in facilities large and small scale. The South Central region of the state of Chihuahua has the potential for renewable energy production from biomass and waste are approximately 58,000 head of cattle, valuing a daily output of 2,900 m3 of sewage and 10,000 m3 of waste water can cause environmental problems. The estimated biogas production was 1.73 m3 of biogas / cow / day, with an estimated total production of biogas in the region of 25,717,352 and 50,722,754 m3/year kwh/año save up to $ 45.143 million pesos in electricity. Reductions are estimated to 361.843 tons of CO2-Eq. Proposed technologies to small and large scales. The development of renewable energy technologies opens the opportunity for additional revenue-generating waste in the production of electricity or thermal energy, reducing environmental problems may make feasible the adoption of technology to small and large scale for producers.

Spanish abstract: Unas notas sobre el final del libro 'El lugar del hombre en el cosmos' de Fred Spier, sobre la sostenibilidad de la actual comunicación globalizada. La Gran Historia sitúa al ser humano en el contexto de la evolución cósmica y de la ecología de los recursos. Vivimos hoy en la Era de los Combustibles Fósiles. Con esta energía, la globalización se acelera. Las estructuras económicas, y por ende las políticas, cabalgan a lomos de combustibles fósiles, y sobre esta economía descansa la red de comunicaciones global que tiende a creer que está autosustentada y a ignorar esta dependencia. __________________________________________________________________________________ English abstract: "Globalization and Sustainability" — Some notes on the end of Fred Spier's 'Big HIstory and the Future of Humanity', with regard to the sustainability of present-day globalized communications. Big History contextualizes humanity within the context of cosmic evolution and the ecology of resources. Today we live in the Age of Fossil Fuels—which fuel accelerated globalization. Economic structures, and political ones likewise, ride on the availability of fossil fuels, and so does the present-day network of global communications, which tends to forget this dependency and rests on an illusion of self-sustainability.

[ES] La oxicombustión de combustibles sólidos es una de las alternativas tecnológicas más relevantes destinadas a conseguir la captura de CO2 en grandes plantas de generación. Si el proceso de oxicombustión se lleva a cabo en un reactor de lecho fluido, las posibilidades de aplicación se amplían a combustibles de bajo rango o residuos difícilmente aprovechables en condiciones de combustión en polvo, con la ventaja añadida del control de otras emisiones gaseosas (NOx, SOx). Y si adicionalmente se añade biomasa residual como parte de la mezcla aportada al reactor, el balance de emisiones de CO2 puede llegar a ser negativo. En la actualidad existen diferentes iniciativas tanto nacionales como internacionales de investigación en el campo de la oxicombustión, a pequeña escala de laboratorio, en plantas piloto y en tamaños semicomerciales, pero preferentemente centradas en sistemas de combustible pulverizado. También se desarrolla investigación en instalaciones de oxicombustión en lecho fluido, y dentro de ellos la caracterización de los procesos de ensuciamiento y corrosión asociados a la deposición de cenizas es un tema completamente novedoso. Este aspecto si que ha sido tratado ampliamente cuando se utiliza biomasa como combustible, la investigación se ha desarrollado convencionalmente para combustión con aire y no para las condiciones especiales de oxicombustión. La presente contribución pretende ofrecer una visión general y divulgativa sobre el estudio de los retos químicos que los materiales estructurales de las calderas han de sufrir en la futura aplicación comercial de la tecnología de oxicombustión de carbón y biomasa. [EN] Oxy-firing of solid fuels is one of the most relevant technological alternatives aiming at the CO2 capture in large-scale power plants. If oxy-firing is carried out in a fluidized bed reactor, the possibilities for application are extended to low-rank coals, difficult wastes, or biomass. The oxy-co-combustion of coal and biomass in circulating fluidized bed (CFB) reactors would result in a negative balance for the CO2 emissions. Several on-going national and international initiatives are focused in the research of oxyfuel- related issues, covering lab-scale plants, pilot plants and semicommercial units for pulverized fuel combustion. In particular, the field of ash fouling and corrosion under oxy-cofiring in fluidized beds remains almost completely open. Although there are available works in relation to the control of deposition rates in fluidized bed units, especially when biomass is the fuel, they have been developed under conventional combustion with air but not for the particular conditions occurring with CFB oxy-firing. The aim of the present work is to introduce an overview about the chemical challenges that oxycofiring implies over metal exchanger surfaces as well as over low-cement ceramic protection of combustor sidewalls, for a future commercial application of the technology. Este trabajo ha sido financiado por el Ministerio de Economía y Competitividad (Proyectos ENE2012-39114-C02-01 y -02). Peer reviewed

Olive cultivation is an activity that has been present in the southeast of the Iberian Peninsula since ancient times. The way in which agricultural activities take place in the olive farms is a reflects the relationship between society and nature. However, these relationships are complex and there is no single form of connection between society and nature, but rather a dependence on both the natural and socio-economic context in which they develop. The society-nature relationship is influenced, on the one hand, by the social and economic framework in which it operates and, on the other hand, by physical and biological processes that determine how the transformations of natural resources are carried out. Understanding these interactions has required the development of a conceptual framework based on the ontological foundation of critical realism. This has allowed the integration, from the point of view of the complexity and transdisciplinarity, of different theoretical approaches that are related to the ecological economics. The aim of this investigation was the analysis of interactions between energy, material and economic processes in the agricultural system of the olive grove that, on the one hand, are conditioned by the natural characteristics of the territory and, on the other hand, driven by the social institutions involved in its development. The hypothesis assumes that currently an incipient change of energy consumption pattern exits, and consists in reducing the intensity of energy and material consumption in the society-nature relationship. The design of a consistent methodological approach that combines methodologies in a pluralistic framework through a relational link has allowed the integration of positivist and hermeneutic analysis tools for the representation of reality in its various dimensions. The results have confirmed the existence of an emerging trend, although minor and limited to certain processes of modernization, by which increased consumption of fossil energy is stopped and replaced by the use of renewable energy, while increases in production are achieved.