1. Shaping cities: A proposal for an integrative FEW nexus model.
- Author
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Clasen, Arno P., Agostinho, Feni, Teodosiu, Carmen, Almeida, Cecília M.V.B., and Giannetti, Biagio F.
- Subjects
CARBON emissions ,FOSSIL fuels ,CALORIC content of foods ,ENERGY consumption ,CUBES - Abstract
Advances to better understand the food, energy and water (FEW) nexus are still needed since most available approaches are non-integrated, complex, and focused on large scale, which makes them difficult in supporting public policies on small scales. This work proposes the FEW nexus cube model, a quantitative and integrated model to evaluate the FEW nexus of municipalities. FEW flows are independently quantified to show their demand by each municipality, they are then graphically represented in a 3-D cube to allow a criteriously-based integrated performance final rank that supports the identification of strengths and weaknesses for the municipality. The cube model is applied in nine Brazilian municipalities as case studies to show its potential for comparative assessments. Santos municipality is in the top ranking according to the criteria behind the cube model, being located in the so-called security cube region, without limiting FEW factor, and 0.80 for the FEW vector length. In 2018, Santos demanded 9.73E+ 07 m
3 H 2 O eq. , 2.08E+ 10 MJ fossil-eq., and 6.87E+ 08 kgCO 2eq., of which food & energy were the FEW flows that most influenced CO 2 emissions and fossil energy demand, while food & water FEW flows have influence on the embodied water demand. Although outside the scope of this study, general policy recommendations are suggested for effective developing plans. This work contributes to the advancement of FEW nexus studies by providing an integrated, non-complex, and small-scale based model to achieve more resilient municipalities as emphasized by the United Nations in several of its 17 goals. • FEW nexus studies are complex, large scale focused, and non-integrative. • A new FEW nexus model is proposed to overcome the existing shortcomings. • The cube model is applied in nine Brazilian municipalities to verify strengths and weaknesses. • General public policies towards a more resilient municipality are suggested. [ABSTRACT FROM AUTHOR]- Published
- 2022
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