Factors affecting food waste at the downstream entities of the supply chain: A critical review

Özbük, Raife Meltem Yetkin; Çoşkun, Ayşen

doi:10.1016/j.jclepro.2019.118628

Cited by 62 publications

(30 citation statements)

References 102 publications

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“…As to perform an explicit, transparent and reproducible strategy, achieving the double purpose of methodological objectivity and efficacy of the review itself, the present research applies a successful approach ( Özbük and Cos ¸kun, 2020;Rana et al, 2021). It consists of four different steps, as follows: (a) definition of the background of the analysis, and identification of research questions and review criteria; (b) selection of suitable research strings and creation of a preliminary database; (c) in-depth screening of selected items and improvement of the opening database; and (d) data synthesis and data analysis.…”

Section: Research Strategymentioning

confidence: 99%

Circular economy and sustainable strategies in the hospitality industry: Current trends and empirical implications

Bux

Amicarelli

2022

Tourism and Hospitality Research

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The European Union has enacted several strategies to reach sustainability and tackle climate change. Among them, the New circular economy action plan and the Farm to Fork Strategy could represent for hotels, restaurants and resorts the leverage points towards sustainable and economic development. The present research, through a systematic and critical review of the current trends in the hospitality industry in Europe, explores and investigates 62 papers published in national and international journals. It fills in the gaps related to circular economy, farm to fork and sustainable resource and waste management empirical practices in the hospitality industry. It emerges that food waste, water and energy consumption have been the most topical concerns from 2011 to 2021, whereas ecosystems protection, rural and urban development need more care. As a common thread, consumers’ and operators’ awareness helps in translating economic into environmental benefits, whereas the development of life cycle inventory databases and dashboards to guide tourism must be implemented without delay.

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Section: Research Strategymentioning

confidence: 99%

Circular economy and sustainable strategies in the hospitality industry: Current trends and empirical implications

Bux

Amicarelli

2022

Tourism and Hospitality Research

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“…Equally, changing diets towards less fertiliser-reliant crops and increasing efficiencies along the food supply chain would enable additional reductions in the demand for fertilisers and GHG emissions 44,45 . Although the influence of changes in these parameters is not explored in this article, exploring this space could identify other opportunities to further reduce the demand for fertilisers.…”

Section: Discussionmentioning

confidence: 99%

Greenhouse gas emissions from nitrogen fertilizers could be reduced by up to one-fifth of current levels by 2050 with combined interventions

Gao

Serrenho

2023

Nat Food

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Food security relies on nitrogen fertilisers, but its production and use account for approximately 5% of global greenhouse gas (GHG) emissions. Meeting climate change targets requires the identification and prioritisation of interventions across the whole lifecycle of fertilisers. Here, we have mapped the global flows of synthetic nitrogen fertilisers and manure, and their corresponding GHG emissions across their lifecycle. We have then explored the maximum mitigation potential of various interventions to reduce emissions by 2050. We found that approximately two thirds of fertiliser emissions take place after their deployment in croplands. Increasing nitrogen use efficiency is the single most effective strategy to reduce emissions. Yet, this should be combined with decarbonisation of fertiliser production. Using currently available technologies, GHG emissions of fertilisers could be reduced up to approximately one fifth of current levels by 2050.

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“…In all cases, and as indicated by the sensitivity analysis, not achieving the 48% breakeven recovery renders the animal feed production from FW infeasible. This is a long leap from the tested 13.5% threshold and therefore requires segregation early in the food supply chain [ 60 , 148 ] to outweigh the cost of contamination in animal feed processed from FW. Accompanied by FW reduction, this allows for better alignment to CE framework objectives [ 113 , 136 ].…”

Section: Discussionmentioning

confidence: 99%

Triple Bottom-Line Evaluation of the Production of Animal Feed from Food Waste: A Life Cycle Assessment

Alsaleh

Aleisa

2022

Waste Biomass Valor

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This study applies a triple bottom line (TBL) framework that incorporates the environmental, economic, and social impacts of producing animal feed from food waste (FW) collected at the post-consumption stage of the food supply chain. The environmental bottom line (BL) is conducted using life cycle assessment (LCA), the economic BL is calculated using the net present value (NPV), while the social BL is assessed using the strengths, weaknesses, opportunities, and threats (SWOT) analysis. The results within the environmental BL indicate that at a 13.8% recovery rate, animal feed produced from a ton of FW saves 0.33 m 2 equivalent of crop land but requires 3.5 tons of water compared to 0.9 tons and 0.78 tons for landfilling and incineration for FW treatment respectively. In addition, the production of animal feed from one ton of FW emits 1064.6 kg CO 2 -eq, compared to 823.6 kg CO 2 -eq using landfilling and 781.9 kg CO 2 -eq when incinerated. The economic BL indicates a profit of $3.65/ton from incinerating FW, compared to cost of $93.8 and $137.6 per ton for animal feed production and landfilling of FW respectively. The analytic hierarchy process (AHP) is applied to integrate the TBL scores and rank the scenarios accordingly. AHP recommends animal feed and incineration over landfilling by a fourfold higher score. A simulation using an augmented simplex lattice mixture (ASLM) design recommends incineration with energy recovery over animal feed production from FW collected at the consumer stage. Sensitivity analysis indicates that the production of animal feed from FW is environmentally feasible if the safe recovery rate exceeds 48%, is which possible for FW collected at early stages of the food supply chain. Graphical Abstract

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Factors affecting food waste at the downstream entities of the supply chain: A critical review

Cited by 62 publications

References 102 publications

Circular economy and sustainable strategies in the hospitality industry: Current trends and empirical implications

Circular economy and sustainable strategies in the hospitality industry: Current trends and empirical implications

Greenhouse gas emissions from nitrogen fertilizers could be reduced by up to one-fifth of current levels by 2050 with combined interventions

Triple Bottom-Line Evaluation of the Production of Animal Feed from Food Waste: A Life Cycle Assessment

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