Research & reports
Peer-reviewed research and reports on community urban agriculture, food education, composting, welfare and more.
Theme
Critical findings
19 results
Life Cycle Sustainability Assessment of Urban Wastewater Reuse: Successes, Persistent Pitfalls, and a Practical Path Forward
2026Eleonora Santos, Zeeshan Arshad · Sustainability · Global
This critical narrative review synthesized evidence from 25 peer-reviewed studies on Life Cycle Sustainability Assessment (LCSA) applications in urban municipal wastewater reuse. While positive outcomes were reported under specific conditions like low-carbon energy grids and short transport distances, persistent methodological pitfalls were identified. These include weak pillar integration, an underdeveloped social dimension, inconsistent system boundaries, and insufficient consideration of absolute sustainability.
Methodological critiqueClimate changeOrganic cyclePolicyBeyond the Plot: Systematic Literature Review of Landscape Approach and Systems Thinking Towards Sustainable Urban Agriculture and Farming
2026Pooja Boddupalli, Steffen Nijhuis, N. M. J. D. Tillie · Sustainability · Global
This systematic literature review investigated how landscape-based approaches (LbAs) and systems thinking (ST) have been concurrently applied to analyze and design urban agriculture and farming (UAF) initiatives. Screening 92 records, the study identified 12 peer-reviewed articles published between 2015 and 2025, reflecting the nascent state of this interdisciplinary approach. The findings revealed limited integration of spatial analysis with systems thinking across scales in current scholarship.
Methodological critiqueFood sovereignty & justiceClimate changeBiodiversityPolicyEnvironmental performance and methodological challenges of Rooftop Greenhouses: An introductory paper
2026Yizhi Zhang · · Global
This report systematically reviews the environmental performance of rooftop greenhouses, focusing on life cycle assessment (LCA) approaches. The review found that existing studies are limited, often case-specific, and use diverse methodologies, hindering comparisons. Environmental performance is highly context-dependent and influenced by methodological assumptions, with conventional LCA often failing to capture dynamic interactions between greenhouse operations, crop growth, and host buildings, leading to an incomplete representation of environmental performance.
Methodological critiqueClimate changeEconomicsDigital agricultureUrban Agriculture or Agriculture in Urban Space? A Systematic Review of Concepts, Characteristics and Typologies
2025Joyce dos Santos Saraiva, Caio Cézar Ferreira de Souza, Maria Lúcia Bahia Lopes, Helena Lúcia Zagury Tourinho, Marcos Antônio Souza dos Santos · Revista de Gestão Social e Ambiental · Global
This study, using a systematic literature review with the PRISMA method, investigated whether distinctions between urban and rural agriculture justify "urban agriculture" as a specific category. The analysis revealed a lack of consensus among authors, with a predominant understanding that there are not two distinct types of agriculture, but rather the same activity carried out in different spaces, which questions the validity of the term "urban agriculture."
Methodological critiqueUrban–rural linkagePolicyUrban and peri-urban agriculture under climate change: A review on carbon emissions and sequestration
2024Abdulhakeem Al-Qubati, Lulu Zhang, Matthias Forkel · Sustainable Cities and Society · Global
This 2024 global review examined 96 studies focusing on methods for estimating carbon sequestration (CS) and emissions in urban and peri-urban agriculture (UPA). The review found significant research gaps: most studies were in the global north, research in the global south is lacking, and there are fewer studies on CS compared to GHG emissions. Additionally, few studies jointly assessed water and carbon cycles, and spatiotemporal analysis, modeling, and remote sensing for GHG emissions are underutilized.
Methodological critiqueClimate changeUrban–rural linkageAGRICULTURA URBANA E ESTÉTICA AMBIENTAL: UM MAPEAMENTO DE AUTORES INSPIRADO POR J. DOUGLAS PORTEOUS.
2023Claudia Rochael Oliveira, Eneida Maria Souza Mendonça · Geografia (Rio Claro) · Global
This article aimed to map authors discussing environmental aesthetics in urban agriculture research, inspired by Porteous's work. Using a bibliographic survey and visual representations, the study found no publications intersecting urban agriculture and environmental aesthetics. Research on urban agriculture and landscape was notably greater than on urban agriculture and aesthetics, and studies applying aesthetic theory to urban agriculture were very limited, especially in high-tech contexts like vertical farms.
Methodological critiqueUrban–rural linkageCommunityBiodiversityUnderstanding Multiple Ecosystem Services of Urban Agriculture Across Scales
2023Jiangxiao Qiu, Hui Zhao · EDIS · Global
This overview identified eight ecosystem services generally attributed to urban agriculture, including food production, microclimate regulation, stormwater retention, and social-cultural values. However, the study found that quantitative evidence for many of these ecosystem services, especially intangible ones, is scarce. It suggests that while urban agriculture could be integral to green infrastructure, further consideration is needed for types, technology, management, and potential tradeoffs.
Methodological critiqueBiodiversityClimate changeHealthOrganic cyclePolicyCommunityHydrogel Application in Urban Farming: Potentials and Limitations—A Review
2022Swarna Devi Palanivelu, Nur Amira Zainul Armir, Amalia Zulkifli, Ainul Hafiza Abdul Hair, Kushairi Mohd Salleh, Keith Lindsey, Muhamad Hafiz Che Othman, Sarani Zakaria · Polymers · Global
This review discusses the potentials and limitations of hydrogel in urban agriculture. While hydrogel has been introduced in urban agriculture over the past few decades, its application is still being explored regarding hydrogel types, structure, physical and chemical properties, changes due to external factors, and suitability for different plant species. The study presents the current state of knowledge on hydrogel production methods, characteristics, advantages, and limitations.
Methodological critiqueDigital agricultureClimate changeFood sovereignty & justiceA Systematic Review of Knowledge Representation Techniques in Smart Agriculture (Urban)
2022Bikram Pratim Bhuyan, Ravi Tomar, Amar Ramdane-Chérif · Sustainability · Global
An extensive systematic review of knowledge representation techniques used in smart agriculture, specifically in the urban agricultural domain, was conducted. The review found that spatial-temporal characteristics were rarely approached, a generalized representation technique to include all agricultural domains remains an issue, and a proper validation technique was missing in such ontologies.
Methodological critiqueDigital agricultureLocal foods systems and community economic development
2020Steven C. Deller, David Lamie, Maureen Stickel · · Global
This review provides a critical analysis of current research on local and regional food networks, including urban farming projects. It reveals that many presumptions of the local food movement remain largely untested, and much of the current research lacks strong theoretical grounding and quantitative rigor. The review emphasizes the importance for practitioners to distinguish between objective, research-based information and speculative, advocacy-oriented analysis.
Methodological critiqueEconomicsPolicyCSA & TeikeiFood sovereignty & justiceA systematic, mixed studies review of the outcomes of community garden participation related to food justice
2020Kate Gardner Burt, Gail Mayer, Rachel Paul · Local Environment · Global
A systematic review analyzed 277 community gardening articles to assess outcomes of community garden participation related to food justice, synthesizing 31 studies. Many positive impacts were indicated across seven social and dietary outcomes. Community garden participation was positively correlated with community connectedness, but evidence demonstrating diet improvement was neutral. Methodological rigor in study design and lack of participant racial/ethnic and socioeconomic diversity were common issues, leaving the effectiveness of community gardening as a strategy for a more equitable food system unclear.
Methodological critiqueCommunityHealthFood sovereignty & justiceEconomicsEcosystem services and land sparing potential of urban and peri-urban agriculture: A review
2017Jennifer Wilhelm, Richard G. Smith · Renewable Agriculture and Food Systems · Global
This 2017 global review analyzed 320 peer-reviewed papers on urban and peri-urban agriculture (UPA) published between 2000 and 2014, focusing on UPA's impact on ecosystem services (ES) and land sparing potential. The review found that while UPA research is growing, few studies (n=15) place UPA in the context of ES, and no studies explicitly quantify its land sparing potential. Additionally, few studies (n=19) quantify UPA's production potential, indicating a significant data gap.
Methodological critiqueUrban–rural linkageBiodiversityFarm to School Intensity Levels: A Systematic Review and Proposed Measurement Tool
2017Erin Vernoni, Jessica Price, Shoko Kumagai · · Global
A systematic review of quantitative peer-reviewed Farm to School (FTS) research found ambiguity and variability in FTS inputs. This makes it difficult to generalize outcomes for policymakers. The study proposes a pre-tested intensity measurement tool to standardize research in this area.
Methodological critiqueFood educationCommunityPolicyHealthOn the sustainability of aquaponics
2016Bettina König, Ranka Junge, András Bittsánszky, Morris Villarroel, Tamás Kőmíves · Ecocycles · Global
A literature review was conducted on the social, environmental, and economic impacts of aquaponics. The technology has potential applications in various settings, including commercial or community-based urban food production, industrial-scale production, small-scale farming, and educational systems. However, it is concluded that due to the complexity within markets, value chains, communities, infrastructure, and policy settings, further research and data acquisition are needed to fully assess all sustainability aspects.
Methodological critiqueDigital agricultureEconomicsClimate changeCommunityA systematic review of the health and well-being impacts of school gardening: synthesis of quantitative and qualitative evidence
2016Heather Ohly, Sarah Gentry, Rachel Wigglesworth, Alison Bethel, Rebecca Lovell, Ruth Garside · BMC Public Health · Global
A systematic review of 40 articles on school gardening programs found that quantitative research was generally of poor quality, with limited evidence for changes in fruit and vegetable intake based on self-report. Qualitative research, though of better quality, attributed a range of health and well-being impacts to school gardens, but more robust quantitative research is needed to support these findings.
Methodological critiqueFood educationHealthCommunitySustenance and sustainability: maximizing the impact of school gardens on health outcomes
2015Jaimie N. Davis, Mackenzie R Spaniol, Shawn Somerset · Public Health Nutrition · Global
A review of thirteen school garden programs for children (kindergarten to 8th grade) found methodological limitations: three studies lacked control groups, and none were randomized. While six of eleven programs showed increased vegetable intake and seven of eight showed increased preference for vegetables, four programs had no effect on intake. More research is needed to understand long-term dietary improvements.
Methodological critiqueFood educationHealthApplications Potential of Structural Path Analysis in Urban Agriculture: A Literature Review
2014Harry Kasumba, Tabukeli Musigi Ruhiiga · Journal of Human Ecology · Global
This literature review explored the potential of Structural Path Analysis (SPA) for investigating urban agriculture. The review found that urban agriculture has not yet attracted scholarship using the SPA technique. It also identified that smaller geographical areas often lack applicable databases for SPA, and a critical requirement for SPA is a developed system of continuous record-keeping by participants, which is often absent.
Methodological critiqueEconomicsPolicyCommunity Gardening Impact Measurement in Accra's Urban Food Security Initiatives: A Scholarly Review of 2005 Literature Context
2005Nkawkaw Afriyie, Kofi Adziri, Yaw Asare, Amoako Gyamfi · Zenodo (CERN European Organization for Nuclear Research) · Ghana
A thematic analysis synthesized existing studies on community gardening impact measurement in Accra, Ghana, focusing on methodologies. While varied methods were reported, a notable theme emerged regarding the mixed results and challenges in accurately gauging the impact of community gardening on urban food security indicators, such as vegetable consumption rates among participants. This review underscores the importance of empirical data for understanding the effectiveness of urban agricultural interventions, but highlights methodological inconsistencies.
Methodological critiqueCommunityFood sovereignty & justiceHealthEconomicsFactors Influencing Career Choice Of Urban Agricultural Education Students
2005Levon T. Esters, Blannie E. Bowen · Journal of Agricultural Education · Global
This study investigated factors influencing career choices among graduates of an urban agricultural education program. While former students identified parents and friends as influential, and cited various reasons for their career paths, a discriminant analysis model could not distinguish between those who chose agricultural careers and those who did not after completing the secondary agricultural program.
Methodological critiqueFood educationEconomics