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Open research questions in Sustainable Industrial Ecology

91 gap statements mined from Sustainable Industrial Ecology papers in our 4.5M-paper local library, which holds 858 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • The paper identifies the lack of regulatory frameworks and financial incentives as barriers to the implementation of industrial symbiosis. The study highlights the need for clearer public policies, tax incentives, and infrastructure development to support circular economy practices.

    Governance-Centred Industrial Symbiosis for Circular Economy Transitions: A Rural Forest Biomass Hub Framework Proposal · 2025 · DOI

  • The paper identifies a need to derive lessons from previous experiences to inform future implementations of industrial symbiosis. There is a gap in understanding how to successfully implement industrial symbiotic networks, which this paper aims to address.

    Exploring Industrial Symbiotic Networks: Challenges, Opportunities, and Lessons for Future Implementations · 2025 · DOI

  • 0 technologies offer largely underexplored potential to facilitate this transition.

    Industry 4.0 Technologies as Enablers of Industrial Symbiosis: Overcoming Barriers and Enhancing Drivers for Ecological Industrial Park Implementation · 2026 · DOI

  • While most research highlights municipalities as facilitators of external partnerships, their internal governance role remains underexplored.

    Governing Industrial and Urban Symbiosis from Within: Internal Municipal Strategies in Sweden · 2026 · DOI

  • Understanding the current state of research in this field can highlight covered topics, identify trends, and reveal understudied topics warranting future research.

    The evolution of research at the intersection of industrial ecology and artificial intelligence · 2025 · DOI

  • This approach allows us to address the limited research attention that has resulted in insufficient understanding of the underlying networks in the circular economy literature, particularly regarding collaboration for waste resource exchange.

    Industrial symbiosis networks supporting circularity: Understanding complexity, cyclicality and resilience · 2025 · DOI

  • While previous studies have identified the determinants of the adoption intention of AFVs, a gap in the literature is research into firm characteristics and the early adopters of AFVs.

    Who are the early adopters of alternative fuel technology? A study of Swedish road freight companies · 2024 · DOI

  • While industrial ecology (IE) has long examined material flows, studies acknowledging their sociomaterial nature are scarce.

    Unfolding the human–material interaction of material flows in societies: DNA as a conceptual metaphor · 2024 · DOI

  • However, a structured overview of integrating \nsustainability assessment methodologies with the IS life cycle to pursue sustainable development is lacking.

    Mapping sustainability assessment methods through the industrial symbiosis life cycle for a circular economy · 2024 · DOI

  • Future research is needed on sustainability assessment \nmethodologies to support the implementation and monitoring phases to facilitate the implementation of successful IS cases.

    Mapping sustainability assessment methods through the industrial symbiosis life cycle for a circular economy · 2024 · DOI

  • The number of “high”-quality demonstration villages is scarce, and the overall structural imbalance pattern is “fewer at both ends and more in the middle,” that is, the numbers of highly coordinated and extremely low-coordination villages are relatively small, while the majority are villages of low and medium coordination.

    Research on the Development Status of and Strategies for Suburban Integrated Villages Under Asymmetric Symbiotic Relationships · 2026 · DOI

  • There is a lack of empirical evidence on the impact of environmental clean-up costs on the financial performance of plastic manufacturing companies. The trade-off between environmental responsibility and financial performance of companies is a widely debated topic.

    Environmental Clean-Up Costs and the Financial Performance of Plastic Companies in Douala · 2026 · DOI

  • The study is based on a limited number of expert interviews. The paper does not provide a comprehensive analysis of all environmental impacts. The study focuses on Finland and may not be generalizable to other contexts.

    Ekologinen energiasiirtymä: Suosituksia kestävämpään tuuli- ja aurinkovoiman suunnitteluun · 2026 · DOI

  • There is a lack of comprehensive data on environmental impacts of renewable energy production. The current planning and permitting processes are not adequate to address environmental and social impacts. There is a need for more sustainable planning and management practices for renewable energy projects.

    Ekologinen energiasiirtymä: Suosituksia kestävämpään tuuli- ja aurinkovoiman suunnitteluun · 2026 · DOI

  • There is a need to evaluate the role of the manufacturing sector in East Java's economy. There is a gap in the literature on the application of location quotient analysis and input-output analysis to assess the sector's contribution.

    The Role of the Manufacturing Industry in the Economy: Basic Sectors and Input-Output Analysis · 2026 · DOI

  • Additional investigation into the integration of advanced digital technologies, such as artificial intelligence-driven optimisation and real-time industrial data platforms, within governance frameworks may further clarify pathways for scaling IS.

    Employing Industrial Symbiosis to Promote Sustainable Industrial Activities as a Transformational Change Tool · 2026 · DOI

  • Conventional activated carbon production methods have limitations, such as high activation temperatures or chemical impregnation. There is a lack of studies on the conversion of low-value apple orchard woody waste into high-quality activated carbon. Prior studies have concentrated mostly on conventional activation processes or typical biomass feedstocks.

    Activated carbon production from apple orchard woody waste using a fluidized bed reactor with freezing pretreatment to establish a local circular economy system · 2026 · DOI

  • Future research should examine the relationship between circular economy standards, waste management, and the generation of new resources more closely, comparing adopters and non-adopters across sectors and countries, using harmonised functional units, and validating project-level circularity indicators aligned with ISO 59020.

    Industrial Symbiosis and Waste Management Under a Circular Economy Management Standard in the Water Sector · 2026 · DOI

  • Rural industrial integration (RII) is promoted to advance the United Nations Sustainable Development Goals (SDGs), yet the extent and mechanisms of its synergies and trade‐offs with sustainability remain unclear.

    Aligning Rural Industrial Integration With the Sustainable Development Goals: A Diagnostic Framework and Policy Pathways · 2026 · DOI

  • Despite growing interest in sustainable development, best available techniques (BAT), and resilience, their application to improving industrial production processes remains underexplored.

    Management of environmental and technological modernization in industry based on resilience and sustainable development principles · 2026 · DOI

  • The literature has identified the barriers to steel reuse but has not reflected recent developments in the UK; barrier interdependencies remain unexplored, hindering the design of effective policy interventions.

    System dynamics modelling of barriers to reverse material flows for scaling up steel reuse in the UK building sector · 2026 · DOI

  • Sustainable industrialization has become a priority for many African nations, yet practical pathways for achieving it, particularly through circular economy (CE) strategies, remain insufficiently understood.

    Industrial symbiosis potential in Uganda's Kampala Industrial and Business Park. Sustainability challenges and opportunities · 2026 · DOI

  • However, the role of policy instruments promoting innovation has not yet been systematically analysed in relation to industrial symbiosis.

    Fostering industrial symbiosis in process industries: An innovation policy perspective · 2025 · DOI

  • Long-term longitudinal data on the degradation of plastic roads (over 20+ years) is currently limited. The analysis regarding microplastic shedding relies on predictive modeling and preliminary field assessments. The study acknowledges the geographical distribution of the Dry Process reveals a disturbing pattern of waste colonialism.

    PLASTIC BEYOND WASTE: REPURPOSING A PETROCHEMICAL BY PRODUCT IN THE AGE OF CLIMATE CRISIS · 2026 · DOI

  • The findings indicate that although industrial symbiosis is widely associated with economic and environmental benefits, its business-oriented operationalization, including the integration of value creation mechanisms, governance structures, and social dimensions, in emerging economies, non-manufacturing and service-based contexts, remains underexplored, despite its potential as an entry point for circular…

    Exploring circular economy opportunities through industrial symbiosis in the coffee shop industries of emerging economies · 2026 · DOI

Most-cited papers in Sustainable Industrial Ecology

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Open questions raised by papers listed on this page include: (1) While most research highlights municipalities as facilitators of external partnerships, their internal governance role remains underexplored (“Governing Industrial and Urban Symbiosis from Within: Internal Municipal…”, 2026); (2) There is a lack of empirical evidence on the impact of environmental clean-up costs on the financial performance of plastic manufacturing companies (“Environmental Clean-Up Costs and the Financial Performance of Plastic Companies…”, 2026); (3) There is a lack of comprehensive data on environmental impacts of renewable energy production (“Ekologinen energiasiirtymä: Suosituksia kestävämpään tuuli- ja aurinkovoiman…”, 2026); (4) There is a need to evaluate the role of the manufacturing sector in East Java's economy (“The Role of the Manufacturing Industry in the Economy: Basic Sectors and…”, 2026); (5) There is a lack of studies on the conversion of low-value apple orchard woody waste into high-quality activated carbon (“Activated carbon production from apple orchard woody waste using a fluidized…”, 2026). 91 gap statements have been mined from Sustainable Industrial Ecology papers in our 4.5M-paper local library, which holds 858 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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