El libro "Ecología Política de la Basura: pensando los residuos desde el Sur", es una obra que re... more El libro "Ecología Política de la Basura: pensando los residuos desde el Sur", es una obra que recoge los aportes de 19 académicos, militantes y profesionales de la ecología política, la salud colectiva y la economía ecológica en América Latina.Frente a los discursos hegemónicos que desde la ecología conservacionista o desde la ecología mercenaria, han apostado por las tecnologías de especialidad (rellenos sanitarios y mecanismos de desarrollo limpio), como solución a la crisis doble de la basura sin cuestionar el modelo de desarrollo, este libro, propone una aproximación de ruptura, que parte de la comprensión de la basura, no como una mercancía regulable por el mercado, sino como el resultado final de un proceso metabólico fisurado y malsano. La basura resulta ser el espejo de las relaciones violentas y asimétricas entre sociedades capitalistas explotadoras y sus naturalezas depredadas, sociedades cuyos modelos productivos y reproductivos así como sus relaciones de poder, se fundan en la subsunción formal y real del trabajo, del consumo y por ende de la basura al capital.Tlazoltéotl, la diosa huaxteca de la inmundicia y fecundidad, la que se come la suciedad, la purificadora, la que limpia la tierra y permite el resurgir de los cultivos –antítesis de los metabolismos industriales y capitalistas–, acompaña este libro que organiza sus aportes en tres cuerpos: un primero que intenta aportar a la construcción de una teoría crítica de la basura, un segundo cuerpo que recoge experiencias, retos, e imperativos éticos en la organización y resistencia frente a las diversas expresiones nocivas de los procesos de excreción y el tercero, que toca las utopías posibles, el ideal de Basura Cero, como proyecto ético-político.
Two issues of the XXI century society can be pointed out: The increasing volume of waste generati... more Two issues of the XXI century society can be pointed out: The increasing volume of waste generation, the lack of adequate waste treatment systems and the increasing demand of energy. The search for alternatives to deal with these issues is calling the attention of both public and private agents who are engaged in exploring solutions not yet in place in most part of developing countries. The National Policy on Solid Waste (PNRS), established by the Law # 12,305/2010, set a new paradigm for the solid waste management in Brazil. Amongst the proposed changes, one of the most relevance is the destination of the so-called "rejects" to landfill, in which "rejects" stands for the residues that can no longer be processed. To abide by this law will require the analysis of alternatives for treating the residues prior to their final disposal. Amongst the possible solutions, there is the utilization of residues to generate electric energy. In this context, this master's thesis examines the two of the most used technologies in the developed worldanaerobic digestion and incinerationand evaluation their economic feasibility in the Brazilian scenario, particularly in the State of São Paulo. The analysis took as an assumption that the PNRS is a law that shall be enforced as it was stated, and that its compliance will require in a significant change in the way the solid waste management is done within the country. For the regions analyzed, our results showed that, under the PNRS requirements, the anaerobic digestion appeared to be more feasible than the incineration technology. Additionally, our work also indicates that, beyond the economic aspects, other issues such as environmental, social and cultural ones are fundamental for the decision making regarding the best technology applied in urban solid waste process.
Reservoirs necessarily will suffer from sedimentation, the process speed and magnitude depends on... more Reservoirs necessarily will suffer from sedimentation, the process speed and magnitude depends on watercourse and catchment characteristics, also if sediment management alternatives are adopted or not. The transport and settling phenomena for non-cohesive sediments (e.g. silt and sand) are well understood, but for cohesive sediments (e.g. clay) there are gaps to be filled. Hydrodynamics models are closely linked to processing capacity, informatics advance provides to increase the models complexity. Aiming to support further researches this paper presents a review of the sediment cohesive concepts. The main concepts of its modeling are presented, including tridimensional hydrodynamic and the cohesive sediment mechanical characterization: aggregation, deposition, consolidation and erosion.
This work presents the SEEG platform, a 46-year long dataset of greenhouse gas emissions (GHG) in... more This work presents the SEEG platform, a 46-year long dataset of greenhouse gas emissions (GHG) in Brazil (1970-2015) providing more than 2 million data records for the Agriculture, Energy, Industry, Waste and Land Use Change Sectors at national and subnational levels. The SEEG dataset was developed by the Climate Observatory, a Brazilian civil society initiative, based on the IPCC guidelines and Brazilian National Inventories embedded with country specific emission factors and processes, raw data from multiple official and non-official sources, and organized together with social and economic indicators. Once completed, the SEEG dataset was converted into a spreadsheet format and shared via web-platform that, by means of simple queries, allows users to search data by emission sources and country and state activities. Because of its effectiveness in producing and making available data on a consistent and accessible basis, SEEG may significantly increase the capacity of civil society, ...
El libro "Ecología Política de la Basura: pensando los residuos desde el Sur", es una obra que re... more El libro "Ecología Política de la Basura: pensando los residuos desde el Sur", es una obra que recoge los aportes de 19 académicos, militantes y profesionales de la ecología política, la salud colectiva y la economía ecológica en América Latina.Frente a los discursos hegemónicos que desde la ecología conservacionista o desde la ecología mercenaria, han apostado por las tecnologías de especialidad (rellenos sanitarios y mecanismos de desarrollo limpio), como solución a la crisis doble de la basura sin cuestionar el modelo de desarrollo, este libro, propone una aproximación de ruptura, que parte de la comprensión de la basura, no como una mercancía regulable por el mercado, sino como el resultado final de un proceso metabólico fisurado y malsano. La basura resulta ser el espejo de las relaciones violentas y asimétricas entre sociedades capitalistas explotadoras y sus naturalezas depredadas, sociedades cuyos modelos productivos y reproductivos así como sus relaciones de poder, se fundan en la subsunción formal y real del trabajo, del consumo y por ende de la basura al capital.Tlazoltéotl, la diosa huaxteca de la inmundicia y fecundidad, la que se come la suciedad, la purificadora, la que limpia la tierra y permite el resurgir de los cultivos –antítesis de los metabolismos industriales y capitalistas–, acompaña este libro que organiza sus aportes en tres cuerpos: un primero que intenta aportar a la construcción de una teoría crítica de la basura, un segundo cuerpo que recoge experiencias, retos, e imperativos éticos en la organización y resistencia frente a las diversas expresiones nocivas de los procesos de excreción y el tercero, que toca las utopías posibles, el ideal de Basura Cero, como proyecto ético-político.
Two issues of the XXI century society can be pointed out: The increasing volume of waste generati... more Two issues of the XXI century society can be pointed out: The increasing volume of waste generation, the lack of adequate waste treatment systems and the increasing demand of energy. The search for alternatives to deal with these issues is calling the attention of both public and private agents who are engaged in exploring solutions not yet in place in most part of developing countries. The National Policy on Solid Waste (PNRS), established by the Law # 12,305/2010, set a new paradigm for the solid waste management in Brazil. Amongst the proposed changes, one of the most relevance is the destination of the so-called "rejects" to landfill, in which "rejects" stands for the residues that can no longer be processed. To abide by this law will require the analysis of alternatives for treating the residues prior to their final disposal. Amongst the possible solutions, there is the utilization of residues to generate electric energy. In this context, this master's thesis examines the two of the most used technologies in the developed worldanaerobic digestion and incinerationand evaluation their economic feasibility in the Brazilian scenario, particularly in the State of São Paulo. The analysis took as an assumption that the PNRS is a law that shall be enforced as it was stated, and that its compliance will require in a significant change in the way the solid waste management is done within the country. For the regions analyzed, our results showed that, under the PNRS requirements, the anaerobic digestion appeared to be more feasible than the incineration technology. Additionally, our work also indicates that, beyond the economic aspects, other issues such as environmental, social and cultural ones are fundamental for the decision making regarding the best technology applied in urban solid waste process.
Reservoirs necessarily will suffer from sedimentation, the process speed and magnitude depends on... more Reservoirs necessarily will suffer from sedimentation, the process speed and magnitude depends on watercourse and catchment characteristics, also if sediment management alternatives are adopted or not. The transport and settling phenomena for non-cohesive sediments (e.g. silt and sand) are well understood, but for cohesive sediments (e.g. clay) there are gaps to be filled. Hydrodynamics models are closely linked to processing capacity, informatics advance provides to increase the models complexity. Aiming to support further researches this paper presents a review of the sediment cohesive concepts. The main concepts of its modeling are presented, including tridimensional hydrodynamic and the cohesive sediment mechanical characterization: aggregation, deposition, consolidation and erosion.
This work presents the SEEG platform, a 46-year long dataset of greenhouse gas emissions (GHG) in... more This work presents the SEEG platform, a 46-year long dataset of greenhouse gas emissions (GHG) in Brazil (1970-2015) providing more than 2 million data records for the Agriculture, Energy, Industry, Waste and Land Use Change Sectors at national and subnational levels. The SEEG dataset was developed by the Climate Observatory, a Brazilian civil society initiative, based on the IPCC guidelines and Brazilian National Inventories embedded with country specific emission factors and processes, raw data from multiple official and non-official sources, and organized together with social and economic indicators. Once completed, the SEEG dataset was converted into a spreadsheet format and shared via web-platform that, by means of simple queries, allows users to search data by emission sources and country and state activities. Because of its effectiveness in producing and making available data on a consistent and accessible basis, SEEG may significantly increase the capacity of civil society, ...
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