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The Role of Informal Waste Management in Urban Metabolism: A Review of Eight Latin American Countries

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  • Beatriz Espinosa-Aquino

    (Institut de Ciencia i Tecnologia Ambientales, Autonomous University of Barcelona, 08193 Barcelona, Spain
    Instituto de Ciencias, BUAP Benemérita Universidad Autónoma de Puebla, Puebla 72000, Mexico
    Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona (UAB), Campus UAB, Bellaterra, 08193 Barcelona, Spain)

  • Xavier Gabarrell Durany

    (Institut de Ciencia i Tecnologia Ambientales, Autonomous University of Barcelona, 08193 Barcelona, Spain
    Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona (UAB), Campus UAB, Bellaterra, 08193 Barcelona, Spain)

  • Roberto Quirós Vargas

    (Institut de Ciencia i Tecnologia Ambientales, Autonomous University of Barcelona, 08193 Barcelona, Spain
    School of Industrial Engineering, University of Costa Rica, San Jose 11501-2060, Costa Rica)

Abstract

Social and spatial segregation structures in Latin America are perceived as processes for the selective concentration of social or demographic groups in geographic sectors of the city. This voluntary or forced segregation creates poor, wealthy, and marginal areas, leading to the territory’s marginalization and fragmentation, destroying the symbolic and territorial urban continuity. To understand the behavior of waste pickers in a Mexican city, we sought to know the conditions of the informal collection activity in eight Latin American countries with similar conditions. Therefore, the goal was to carry out a bibliographic evaluation that included the environmental contribution of waste pickers, their organizations, and their link with urban metabolism. The tasks performed by informal waste pickers in the cities of the eight selected Latin American countries, their organizations, and their way of working were studied. Their role in reducing environmental impact and improving the quality of life of city dwellers was evaluated. Web sites, web searches, and face-to-face meetings created electronic communication channels with this community were analyzed. In some cases, they are well organized and become microentrepreneurs with salary, social security, and economical insurance by starting an ecological business. In contrast, marginal groups seeking economic support collect, separate, sort, and group recoverable waste daily and sell it at waste distribution points. This link in the urban metabolism reintroduces valuable solid waste into the production chain. In addition, materials with commercial value, such as metals, plastics, paper, cardboard, and wood, can re-enter the production chain as secondary materials for industry. Thus, a collective of well-organized waste pickers contributes to the city’s sustainability and provides better living conditions for the waste pickers. In Mexico, there is a lack of official information regarding the number of waste pickers, organizations, activities, and their environmental contribution. Therefore, a directory with that information is highly relevant to designing public policies to recognize the essential contributions of this sector.

Suggested Citation

  • Beatriz Espinosa-Aquino & Xavier Gabarrell Durany & Roberto Quirós Vargas, 2023. "The Role of Informal Waste Management in Urban Metabolism: A Review of Eight Latin American Countries," Sustainability, MDPI, vol. 15(3), pages 1-19, January.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:3:p:1826-:d:1039487
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    References listed on IDEAS

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    3. Rondón Toro, Estefani & Szantó Narea, Marcel & Pacheco, Juan Francisco & Contreras, Eduardo & Gálvez, Alejandro, 2016. "Guía general para la gestión de residuos sólidos domiciliarios," Manuales de la CEPAL, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL), number 40407, September.
    4. Birkbeck, Chris, 1978. "Self-employed Proletarians in an informal factory: The case of Cali's garbage dump," World Development, Elsevier, vol. 6(9-10), pages 1173-1185.
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