Mostrando ítems 22-41 de 113
Botero Posada, Simón Andrés (Fecha de defensa: 2022-11-29)
(English) Agro-food systems in indigenous communities, due to their characteristics of complexity and adaptability, must be studied from a multidimensional perspective. In this class of systems, economic, political, ...
Pons Pons, Marc (Fecha de defensa: 2014-11-07)
Climate Change has become no longer a conjecture but an objective reality. The increase of the global average temperature, the seas level rise or the increase in the frequency and magnitude of extreme weather events are ...
Salas Prat, Pep (Fecha de defensa: 2015-07-14)
This thesis is a interdisciplinary research in the field of sustainable energy systems with the falsifiable hypothesis "a necessary transition from a society highly dependent on oil to one based on the use of local resources ...
Landeros Suárez, Arturo (Fecha de defensa: 2016-02-05)
To analyse the current situation of the Latin American subcontinent is to speak of a process of repression, as explained by Alberto Acosta when referring to the evil of abundance: countries rich in natural resources, whose ...
Yangui, Ahmed (Fecha de defensa: 2014-05-29)
The present dissertation aim a contributing to both agricultural economics and marketing literature by addressing specific issues related to discrete choice models and choice experiments. More precisely, this thesis focuses ...
Avitia Rodríguez, Jessica Alejandra (Fecha de defensa: 2012-07-04)
The aim of this thesis is to investigate Spanish consumers purchase motivations and behavior towards organic food by means of determining the key factors that take part on building their behavior. An important contribution ...
Ayala Chauvin, Manuel Ignacio (Fecha de defensa: 2018-11-12)
Urban energy systems are an essential part of cities, which require a reliable and abundant supply of electricity and other services (such as water, fuel for transportation or food). On the other hand, the double crisis ...
López Díaz, María Teresa (Fecha de defensa: 2022-07-22)
The teaching of Mathematics has been always a matter of great concern at all academic levels and more especially in technological degrees. Both the contents of mathematical subjects and the way they are taught, have been ...
De Balanzó, Rafael (Fecha de defensa: 2017-06-29)
Con el objetivo de identificar factores y características que faciliten y promuevan la resiliencia social-ecológica en las ciudades, esta tesis doctoral sitúa, analiza, estructura, e interpreta las prácticas urbanísticas ...
Jiménez Redal, Rubén (Fecha de defensa: 2014-07-22)
Many NGOs have tried to implement cooperation projects in water services in Africa. A percentage of them has been successful when it comes to sustainability but a significant proportion has failed . Discovering and analyzing ...
González Valero, Aitor (Fecha de defensa: 2018-05-21)
Solar thermal technology for domestic water heating is already a mature technology competitive to other conventional energy based systems. This has motivated some countries, regions or local authorities worldwide (Spain, ...
Ortiz Ferrà, Joana Aina (Fecha de defensa: 2016-11-11)
The energy renovation of buildings is an essential action to achieve the European target of 20/20/20. However, the dynamics of the energy renovation are very slow and the development of urgent policy actions beyond the ...
Yacoub López, Cristina (Fecha de defensa: 2013-05-13)
The water quality status of an Andean river basin was characterised and the pressures from anthropogenic activities were evaluated to enhance the available knowledge of the environment within an ecosystem in Peru. This ...
Azarkamand, Sahar (Fecha de defensa: 2021-11-04)
An important goal to tackle environmental problems and foster sustainable development in the near future is to reduce the generation of greenhouse gas emissions (GHG) from different industrial sectors including ports. ...
Salas Zapata, Walter Alfredo (Fecha de defensa: 2012-07-17)
Public health policies are often influenced by social-ecological interactions that affect the achievement of policy goals and may produce early interruptions of actions. Paradigms, frameworks and models most commonly used ...
Ávila Martín, Cristina (Fecha de defensa: 2013-12-09)
Water of quality constitutes a scarce and essential resource for life and public health, and its sustainable management is of crucial importance. Thus, wastewater treatment, reuse and reclamation represent a key practice ...
Bosch González, Montse (Fecha de defensa: 2015-07-16)
Based on the experience gained during more than 10 years working on energy efficiency in public buildings of various uses, this thesis develops a methodology for intervention in school buildings. The aims were to define ...
Ribé, Óscar (Fecha de defensa: 2018-11-09)
Energy recovery elements play a major role in the efficiency and sustainability of building ventilation systems. The use of a sensible or total energy recovery ventilator is a key decision for ventilation systems designers. ...
Gómez Hernández, Dorian Francisco (Fecha de defensa: 2021-11-18)
Energy access allows to improve population life quality, specifically in terms of food, education and health. Currently, 10% of the world population does not have electricity. 85% of this population is mainly concentrated ...
Casañ Guerrero, Maria José (Fecha de defensa: 2013-03-14)
L’educació va ser marcada a l’any 2000 per les Nacions Unides com un dels Objectius del Mil·lenni pel desenvolupament. Amb aquest objectiu, també conegut com “educació per a tothom”, es pretén que per l’any 2015, tots els ...