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Unveiling the energy consumption-food waste nexus in households: A focus on key predictors of food waste generation

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Abstract

In most cities worldwide, household food waste constitutes a significant portion of municipal solid waste (MSW). However, its management often proves inadequate due to the insufficient resources allocated to waste management systems, the omission of the resource potential in MSW, and the lack of recognition of household food waste drivers for forecasting generation in specific geographical contexts. This research aims to identify social, economic, and environmental variables serving as proxies to forecast household food waste generation. To achieve this, a multiple linear regression model was proposed to assess the relationship between cooking fuel type (i.e., liquefied petroleum gas, natural gas, and electricity), land use categories (i.e., commercial, industrial, and residential), population density, expenditure on in-house food consumption, and household food waste generation. Three alternate modeling scenarios were considered based on available data, with Lima, Peru, serving as a case study. The results indicate that the combined consumption of liquefied petroleum gas and natural gas, and electricity consumption, along with residential land use, were the most influential variables. Finally, for a comprehensive understanding of the studied phenomenon, it is crucial to analyze and consider the intricate dynamics of societal consumption patterns.

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Acknowledgements

Luis Izquierdo-Horna thanks Universidad Tecnológica del Perú for the support provided in the development of this research project. Dr. Ian Vázquez-Rowe and Dr. Ramzy Kahhat wish to thank the Dirección de Fomento de la Investigación (Project number PI0769) at PUCP, for funding their time dedicated to this study.

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PUCP, Project—PI0769, Ian Vázquez-Rowe.

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Authors and Affiliations

  1. Peruvian LCA & Industrial Ecology Network (PELCAN), Department of Engineering, Pontificia Universidad Católica del Perú, Avenida Universitaria 1801, San Miguel, 15088, Lima, Peru

    Luis Izquierdo-Horna, Ramzy Kahhat & Ian Vázquez-Rowe

  2. Department of Civil Engineering, Universidad Tecnológica del Perú, Avenida Arequipa 265, Lima, 15046, Peru

    Luis Izquierdo-Horna

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The manuscript was written through the contributions of all authors. All authors have approved the final version of this manuscript. Luis Izquierdo-Horna—conceptualization, resources, literature review, writing—original draft, writing—reviewing and editing. Ramzy Kahhat—conceptualization, supervision, writing—reviewing and editing. Ian Vázquez-Rowe—conceptualization, supervision, writing—reviewing and editing.

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Correspondence to Luis Izquierdo-Horna.

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Izquierdo-Horna, L., Kahhat, R. & Vázquez-Rowe, I. Unveiling the energy consumption-food waste nexus in households: A focus on key predictors of food waste generation. J Mater Cycles Waste Manag (2024). https://doi.org/10.1007/s10163-024-01946-2

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