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Sustainable Food Systems: Innovations in Production and Waste Management for a Greener Future

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Food".

Deadline for manuscript submissions: 31 October 2026 | Viewed by 12549

Special Issue Editors


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Guest Editor
Institute of Meat Hygiene and Technology, Kaćanskog 13, 11040 Belgrade, Serbia
Interests: food safety; mycotoxicology; environmental contaminants; food additives; risk assessment
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Pharmacy, Singidunum University, Danijelova 32, 11010 Belgrade, Serbia
Interests: food safety; food waste; food chain; food hygiene and quality management systems; food microbiology

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Guest Editor
1. Department of Agricultural Economics, Faculty of Agriculture, Selçuk University, Konya, Türkiye
2. Eurasian Association of Agricultural Economists (EAAE), Wageningen, The Netherlands
Interests: agricultural economics; agricultural business management; agricultural marketing

Special Issue Information

Dear Colleagues,

We are pleased to invite you to contribute to a Special Issue of Sustainability entitled ‘Sustainable Food Systems: Innovations in Production and Waste Management for a Greener Future'.

The global food system faces significant challenges, including climate change, resource depletion, and food waste. This Special Issue emphasizes innovative solutions to develop more sustainable food systems that are environmentally friendly, economically viable, and socially equitable. We must urgently address these challenges to ensure food security and a healthy planet for future generations. 

This Special Issue invites original research articles and reviews that investigate innovations throughout the food value chain, encompassing production, consumption, and waste management. We particularly welcome studies on sustainable agricultural practices, cutting-edge food processing technologies, new strategies for food waste reduction and valorization, and Circular Economy models within the food sector. The aims of this Special Issue closely align with the thematic priorities of the Sustainability journal. Our goal is to gather at least ten high-quality articles that make substantial contributions to the sustainable food systems field. If this target is met, this Special Issue may also be published in book format.

We welcome original research articles and reviews on topics including, but not limited to, the following:

  1. Trends in sustainable agriculture: Integrating innovative technologies and data analytics to enhance farming methods, focusing on maximizing inputs like water and fertilizers to increase crop yields while minimizing environmental effects.
  2. Sustainable packaging: Highlighting the need for packaging materials that are environmentally friendly, biodegradable, or recyclable, with the goal of minimizing waste and pollution associated with traditional packaging methods.
  3. Food waste valorization technologies: Involving methods and systems that convert food waste into valuable products like biofuels, animal feed, or compost, thus aiding in waste reduction and minimizing environmental harm.
  4. Consumer behavior and sustainable food choices: Gaining insights into consumer food selection can improve efforts to encourage sustainable eating practices, including choosing local, seasonal, and organic items that have reduced environmental impacts.
  5. Life cycle assessment of food products: Evaluating the environmental effects of a food product from production to disposal. This process identifies opportunities for enhancing sustainability across the entire supply chain.
  6. Sustainable use of natural resources: Highlighting the responsible management of land, soil, water, and biodiversity to ensure that ecosystem services are preserved for future food production.
  7. Food processing and supply chain innovations: Exploring the adoption of innovative technologies in food processing, the transition to more sustainable practices, the impact of blockchain technology on security and transparency, and the increasing utilization of cultured/in vitro meat.
  8. Megatrends and trends shaping the food system: Climate change, malnutrition, urbanization, demographic shifts, migration, resource scarcity, increased energy consumption, and economic globalization.
  9. Managing food waste and non-food waste streams: Effective management practices for food waste and related wastes (such as packaging), ensuring proper disposal and recycling while minimizing environmental impacts.

Dr. Dragan R. Milicevic
Dr. Nataša Kilibarda
Prof. Dr. Zeki Bayramoğlu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • sustainable food systems
  • food waste
  • Circular Economy
  • precision agriculture
  • sustainable packaging
  • food security
  • food safety
  • climate change
  • life cycle assessment
  • innovation
  • waste management

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (5 papers)

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Research

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17 pages, 984 KB  
Article
From Orange Waste to Biocomposite: Environmental Assessment of Orange-Peel Reinforced PHA Material
by Maria Spinosa, Dalila Maria Savarino, Francesca Demichelis, Debora Fino, Patrizia Lombardi, Nunzio Russo, Elena Todella and Tonia Tommasi
Sustainability 2026, 18(10), 4806; https://doi.org/10.3390/su18104806 - 12 May 2026
Viewed by 220
Abstract
The growing accumulation of fossil-based plastic waste and the underutilization of organic residues from the agri-food sector highlight the need for alternative, low-impact material solutions. Polyhydroxyalkanoates (PHAs) represent a promising family of bio-based and biodegradable polymers; however, their large-scale deployment is still limited [...] Read more.
The growing accumulation of fossil-based plastic waste and the underutilization of organic residues from the agri-food sector highlight the need for alternative, low-impact material solutions. Polyhydroxyalkanoates (PHAs) represent a promising family of bio-based and biodegradable polymers; however, their large-scale deployment is still limited by economic and environmental constraints, strongly influenced by feedstock selection and processing requirements. In Mediterranean regions, orange peel waste (OPW) generated in large quantities by the citrus-processing industry may represent a valuable renewable input for the development of PHA-based biocomposites. In this study, a Life Cycle Assessment (LCA) was performed to evaluate a PHA-based composite reinforced with OPW, following established LCA principles and focusing on a residue-based valorization pathway. The analysis includes the collection and pre-treatment of OPW, PHA production from different feedstock matrices, composite manufacturing, and relevant downstream processing stages. The study aims to quantify the environmental implications of integrating OPW into PHA matrices, identify key hotspots, and support evidence-based material design within circular economy strategies. In addition, it assesses the feasibility of producing a PHA–OPW filament suitable for market-ready applications, developed in collaboration with Krill Design®. Full article
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14 pages, 375 KB  
Article
Dietary Lead Exposure in Mealworm Larvae (Tenebrio molitor) and Its Implications for the Safety of Edible Insects
by Konrad Matyja, Justyna Rybak, Beata Hanus-Lorenz, Wojciech Dobicki and Przemysław Pokorny
Sustainability 2026, 18(8), 3931; https://doi.org/10.3390/su18083931 - 15 Apr 2026
Viewed by 338
Abstract
This study examined the toxicological, and bioaccumulative effects of dietary lead (Pb) on Tenebrio molitor larvae, increasingly considered for human and animal consumption within sustainable food and feed production systems. Larvae were exposed for 21 days to an oat-based diet contaminated with lead [...] Read more.
This study examined the toxicological, and bioaccumulative effects of dietary lead (Pb) on Tenebrio molitor larvae, increasingly considered for human and animal consumption within sustainable food and feed production systems. Larvae were exposed for 21 days to an oat-based diet contaminated with lead salts (125–2000 mg Pb/kg). Body mass, and Pb accumulation in the intestine, internal tissues, and cuticle were analyzed. Pb concentrations in larval compartments increased with increasing nominal Pb levels in feed, with concentrations in internal tissues and cuticle reaching 5–6 times higher than in the control. Estimated bioaccumulation factors (BAF) were below 1 in all cases, indicating no biomagnification. Despite high exposure levels, no significant effects on larval survival or biomass gain were observed. These findings indicate that growth-related parameters are not sensitive indicators of Pb exposure. At the same time, substantial Pb accumulation occurred, particularly in the gut and cuticle, highlighting a risk of “hidden” contamination in insect-based production systems. The results emphasize the need for substrate monitoring and the inclusion of sensitive chemical indicators in food safety risk assessment. Full article
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19 pages, 1512 KB  
Communication
Assessing Biogas Production Potential from Organic Waste and Livestock Byproducts in a Serbian Municipality: Implications for Sustainable Food Systems
by Srećko Ćurčić, Dragan Milićević, Nataša Kilibarda and Aleksandar Peulić
Sustainability 2025, 17(7), 3144; https://doi.org/10.3390/su17073144 - 2 Apr 2025
Cited by 4 | Viewed by 8502
Abstract
In the process of biogas production, various types of substrates with suitable energy potential are utilized to generate biogas in plants designed for cogeneration (CHP) of electricity and heat. This paper presents a literature review focused on different substrates involved in biogas production, [...] Read more.
In the process of biogas production, various types of substrates with suitable energy potential are utilized to generate biogas in plants designed for cogeneration (CHP) of electricity and heat. This paper presents a literature review focused on different substrates involved in biogas production, emphasizing their optimization potential. Data for this research were gathered through a comprehensive review of scientific and scholarly literature from global databases. The study examines the biogas production capabilities of various feedstocks employed in cogeneration plants, highlighting the energy potential of substrates, including livestock byproducts such as liquid and solid manure, energy crops, organic waste from the food and slaughterhouse industries, as well as municipal wastewater and solid organic waste. Furthermore, we conducted a practical case study in the municipality of Čačak, which provides valuable insights into effective practices and strategies that can be broadly applied to enhance biogas production in similar contexts. The findings reveal significant variations in biogas production potential among different substrates, emphasizing the importance of strategic selection and management practices. This study contributes to the field by providing a clearer understanding of the substrate optimization process and practical insights that can inform the development of more effective biogas production strategies in local municipalities. Full article
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Review

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29 pages, 1449 KB  
Review
Innovative Preservation Technologies and Supply Chain Optimization for Reducing Meat Loss and Waste: Current Advances, Challenges, and Future Perspectives
by Hysen Bytyqi, Ana Novo Barros, Victoria Krauter, Slim Smaoui and Theodoros Varzakas
Sustainability 2026, 18(1), 530; https://doi.org/10.3390/su18010530 - 5 Jan 2026
Cited by 2 | Viewed by 2085 | Correction
Abstract
Food loss and waste (FLW) is a chronic problem across food systems worldwide, with meat being one of the most resource-intensive and perishable categories. The perishable character of meat, combined with complex cold chain requirements and consumer behavior, makes the sector particularly sensitive [...] Read more.
Food loss and waste (FLW) is a chronic problem across food systems worldwide, with meat being one of the most resource-intensive and perishable categories. The perishable character of meat, combined with complex cold chain requirements and consumer behavior, makes the sector particularly sensitive to inefficiencies and loss across all stages from production to consumption. This review synthesizes the latest advancements in new preservation technologies and supply chain efficiency strategies to minimize meat wastage and also outlines current challenges and future directions. New preservation technologies, such as high-pressure processing, cold plasma, pulsed electric fields, and modified atmosphere packaging, have substantial potential to extend shelf life while preserving nutritional and sensory quality. Active and intelligent packaging, bio-preservatives, and nanomaterials act as complementary solutions to enhance safety and quality control. At the same time, blockchain, IoT sensors, AI, and predictive analytics-driven digitalization of the supply chain are opening new opportunities in traceability, demand forecasting, and cold chain management. Nevertheless, regulatory uncertainty, high capital investment requirements, heterogeneity among meat types, and consumer hesitancy towards novel technologies remain significant barriers. Furthermore, the scalability of advanced solutions is limited in emerging nations due to digital inequalities. Convergent approaches that combine technical innovation with policy harmonization, stakeholder capacity building, and consumer education are essential to address these challenges. System-level strategies based on circular economy principles can further reduce meat loss and waste, while enabling by-product valorization and improving climate resilience. By integrating preservation innovations and digital tools within the framework of UN Sustainable Development Goal 12.3, the meat sector can make meaningful progress towards sustainable food systems, improved food safety, and enhanced environmental outcomes. Full article
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Other

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3 pages, 817 KB  
Correction
Correction: Bytyqi et al. Innovative Preservation Technologies and Supply Chain Optimization for Reducing Meat Loss and Waste: Current Advances, Challenges, and Future Perspectives. Sustainability 2026, 18, 530
by Hysen Bytyqi, Ana Novo Barros, Victoria Krauter, Slim Smaoui and Theodoros Varzakas
Sustainability 2026, 18(5), 2571; https://doi.org/10.3390/su18052571 - 6 Mar 2026
Viewed by 320
Abstract
The authors would like to make the following corrections to the published paper [...] Full article
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