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La generación de electricidad en Venezuela está dominada por los combustibles fósiles y las hidroeléctricas a gran escala, predominado sobre otras fuentes energéticas. El objetivo de esta investigación es determinar el potencial solar fotovoltaico y eólico y plantear escenarios de sistemas híbridos de energía eléctrica para la Isla de Toas, Estado Zulia. En una primera parte se realizó una investigación documental sobre dicho potencial, luego con datos obtenidos de irradiación solar y velocidad del viento, mediante Global Solar, NASA Power y el uso de la aplicación Homer se presenta un proyecto factible de una micro red aplicado a la Isla de Toas, Municipio Almirante Padilla, Edo. Zulia. Demostrando así que el escenario fotovoltaico, eólico, batería e interconexión es la opción que mejor aplica, con un costo nivelado de electricidad de 0,3 $/kWh, ofrece mayor confiabilidad y disponibilidad, con posibilidad de transmitir los excedentes a la red eléctrica. // Electricity generation in Venezuela is dominated by fossil fuels and large-scale hydroelectric plants, predominating over other energy sources. The objective of this research is to determine the solar photovoltaic and wind potential and to propose scenarios of hybrid electric energy systems for Toas Island, Zulia State. In the first part, a documentary research on this potential was carried out, then with data obtained from solar irradiation and wind speed, through Global Solar, NASA Power and the use of the Homer application, a feasible project of a micro grid applied to Toas Island, Almirante Padilla Municipality, Zulia State, was presented. Thus demonstrating that the photovoltaic, wind, battery and interconnection scenario is the best applicable option, with a levelized cost of electricity of 0.3 $/kWh, offering greater reliability and availability, with the possibility of transmitting surpluses to the electric grid.

AMADEUS es un proyecto europeo que investiga materiales y dispositivos de estado sólido para almacenar energía a muy alta temperatura. Usando aleados de silicio como materiales de cambio de fase se alcanzan calores latentes superiores a 1000 kWh/m3, propiciando la obtención de altísimas densidades energéticas. Dichos aleados suponen temperaturas de almacenamiento por encima de los 1000 ºC, muy por encima de las de los sistemas actuales de acumulación térmica. El artículo describe las actividades del proyecto y sus primeros resultados, explicando los principales retos de este nuevo sistema que combina la acumulación de energía en forma de calor en silicio fundido con dispositivos de estado sólido termiónicos y termofotovoltaicos para la posterior conversión en electricidad. AMADEUS is a H2020 project that researches on materials and solid-state devices for very high temperature energy storage and conversion. By exploring silicon-based alloys as new phase change materials (PCMs), latent heat higher than 1000 kWh/m3 is achievable, which implies a very high energy density. In addition, silicon-based PCMs lead to storage temperatures well beyond 1000 ºC, well beyond that of current state-of-the-art thermal energy storage (TES). This paper describes the project R&D activities and first results, and comments on challenges towards a new kind of systems combining latent heat energy storage in molten silicon with thermionic and thermophotovoltaic solid state heat-to-power conversion.

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.

The Draft Framework Law on Climate Change establishes the necessary procedures to elaborate Chile's Long Term Climate Strategy (LTCS). Article 5 states that the LTCS must include a prior report by the Scientific Advisory Committee on Climate Change. In this context, the Committee prepares this report to be submitted to the Chilean Ministry of Environment to be used as an input in the elaboration of the LTCS. The Committee members took over one or more chapters for review and comment, according to their experience and expertise.

Resumen: Introducción: La industrialización y moderna tecnificación de nuestra sociedad ha favorecido la génesis de problemas globales. La Didáctica de la Educación Física se enfrenta a graves problemas de sostenibilidad. Cada vez son más fuertes las tendencias que predican una Educación Física que haga sostenibles las conductas motrices, favoreciendo aprendizajes, procedimientos, evaluaciones, materiales y recursos que faciliten comportamientos sostenibles y una vida equilibrada y saludable. Exponemos una revisión sistemática sobre experiencias educativas en programas de actividad física sostenible. Objetivos: Obtener evidencias científicas sobre la Didáctica Sostenible de la Educación Física realizada por niños y adolescentes durante la presente década, confrontar los estudios que relacionan la Educación Física con prácticas sostenibles y determinar los esfuerzos investigadores para desarrollar unos patrones de Educación Física sostenible en escolares y adolescentes. Métodos: Los descriptores de búsqueda utilizados fueron: actividad física, infancia, juventud, medio ambiente y sostenibilidad. Los registros se limitaron a los publicados en español, inglés y francés entre enero de 2010 y diciembre de 2020. 11 estudios cumplieron los requisitos de revisión: 5 contemplaron la sostenibilidad en relación a hábitos saludables, 4 estudiaron programas de Educación Física sostenible y 2 valoraron actividades de protección de la naturaleza. Resultados y Discusión: Con los artículos seleccionados apreciamos que es necesario desarrollar una nueva didáctica junto a una nueva educación física sostenible, pero también un deporte sostenible eminentemente respetuoso con la persona, con sus límites, que no asuma riesgos innecesarios y que lleve a cabo prácticas cotidianas con la finalidad de restaurar los daños ocasionados, de cuidado, de reposo, de modo que el deportista, que tanto y tanto exige de su cuerpo, aprenda a cuidarlo y darle todo lo que necesita para que sea capaz de vivir de modo apacible, feliz y sano. Conclusiones: En la última década no hay suficientes estudios sobre sostenibilidad de la actividad física en la juventud e infancia. Faltan estudios sobre actividad física responsable, tolerante y que contemplen el papel de la mujer en la juventud e infancia.// Abstract: Introduction: The industrialisation and modern technification of our society has favoured the genesis of global problems. Physical Education Didactics is facing serious problems of sustainability. There are increasingly strong tendencies that preach a Physical Education that makes motor behaviour sustainable, favouring learning, procedures, evaluations, materials and resources that facilitate sustainable behaviour and a balanced and healthy life. We present a systematic review of educational experiences in sustainable physical activity programmes. Aim: To obtain scientific evidence on sustainable physical education didactics for children and adolescents during the present decade, to compare studies that relate physical education to sustainable practices and to determine research efforts to develop sustainable physical education patterns in schoolchildren and adolescents. Methods: The search descriptors used were: physical activity, childhood, youth, environment and sustainability. Records were limited to those published in English, French and Spanish between January 2010 and December 2020. 11 studies fulfilled the review requirements: 5 considered sustainability in relation to healthy habits, 4 studied sustainable Physical Education programmes and 2 assessed nature protection activities. Results & discussion: with the selected articles we appreciate that it is necessary to develop a new didactics together with a new sustainable physical education, but also a sustainable sport eminently respectful with the person, with their limits, that does not take unnecessary risks and that carries out daily practices with the aim of restoring the damage caused, of care, of rest, so that the athlete, who demands so much and so much from their body, learns to look after it and give it everything it needs to be able to live in a peaceful, happy and healthy way. Conclusions: In the last decade there are not enough studies on sustainability of physical activity in youth and childhood. There is a lack of studies on responsible, tolerant physical activity and on the role of women in youth and childhood. Resumo: Introdução: A industrialização e a tecnificação moderna da nossa sociedade favoreceram a génese de problemas globais. A Didáctica da Educação Física está a enfrentar sérios problemas de sustentabilidade. Há tendências cada vez mais fortes que pregam uma Educação Física que torna o comportamento motor sustentável, favorecendo a aprendizagem, procedimentos, avaliações, materiais e recursos que facilitam um comportamento sustentável e uma vida equilibrada e saudável. Apresentamos uma revisão sistemática das experiências educativas em programas de actividade física sustentável. Objectivos: Obter evidência científica sobre didáctica da educação física sustentável para crianças e adolescentes durante a presente década, comparar estudos que relacionam a educação física com práticas sustentáveis e determinar esforços de investigação para desenvolver padrões sustentáveis de educação física em crianças e adolescentes em idade escolar. Métodos: Os descritores de pesquisa utilizados foram: actividade física, infância, juventude, ambiente e sustentabilidade. Os registos foram limitados aos publicados em inglês, francês e espanhol entre Janeiro de 2010 e Dezembro de 2020. 11 estudos cumpriram os requisitos de revisão: 5 consideraram a sustentabilidade em relação a hábitos saudáveis, 4 estudaram programas de Educação Física sustentáveis e 2 avaliaram actividades de protecção da natureza. Resultados e discussão: com os artigos seleccionados apreciamos a necessidade de desenvolver uma nova didáctica juntamente com uma nova educação física sustentável, mas também um desporto sustentável eminentemente respeitoso com a pessoa, com os seus limites, que não corra riscos desnecessários e que realize práticas diárias com o objectivo de restaurar os danos causados, de cuidados, de descanso, para que o desportista, que tanto e tanto exige do seu corpo, aprenda a cuidar dele e a dar-lhe tudo o que precisa para que possa viver de forma pacífica, feliz e saudável. Conclusões: Na última década não existem estudos suficientes sobre a sustentabilidade da actividade física na juventude e na infância. Há falta de estudos sobre a actividade física responsável e tolerante e sobre o papel da mulher na juventude e na infância.

Currently 84\% of the world's energy matrix comes from the burning of fossil fuels, production system that cause social and environmental problems in the vulnerable regions. The situation has forced a rethinking of the global energy model, pointing to renewable sources as the ideal substitute for the current production system. Bioenergy contributes to the diversification of the energy matrix without increasing the emissions that accelerate climate change. It is obtained from materials derived from biological sources, such as crop residues of agricultural processes. These materials contain an important calorific value that can be used for the generation of electrical energy and/or the production of biofuel. Through the patentometric study for the period 2013 -- 2018, the technological trend was determined in the inventions related to biodiésel, bioethanol and biogas, in order to obtain a global panorama of bioenergy; generating productivity indicators according to year, country, institution and International Patent Classification (IPC) codes. China is identified as a leader in technological innovations in biodiésel and biogas. While the United States leads the patent registry in the production of bioethanol.

Dr. Gustavo Sosa Núñez presents to colleagues at Instituto Mora for the EU Horizon 2020 MSCA-RISE project PRODIGEES. Specializing in EU-Mexico relations and climate change policy, Dr. Núñez assesses the role of digitalisation in climate change mitigation and adaptation policies; specifically, the uses of artificial intelligence, and how and whether it is considered in climate change policies. The original upload can be found on BlueJeans: https://bluejeans.com/playback/s/c6qBisrseTp4sqy8IkIEwIuUgFLym0luboX2IxPDw2dHBcRzLfSVUyvPjLYzccUo Horizon 2020 MSCA-RISE, Grant Agreement #873119