Research & reports

Taylor L. Frazier, Jin‐Kyu Jung · International Journal of Undergraduate Research and Creative Activities · United States (Seattle)

This study employed a mixed-methods research design to explore the hypothesis that areas around Seattle's P-Patch community gardens were associated with a reduction in crime from 1996 to 2006. Spatio-temporal GIS analyses, statistical analyses, and qualitative interviews with gardeners were utilized. Outcomes of the correlation between P-Patch and crime variables were inconclusive.

Silvia Mancarella, Giuseppina Pennisi, Daniela Gasperi, L. Marchetti, V. Loges, Francesco Orsini, Giorgio Gianquinto, Gilmo Vianello, Livia Vittori Antisari · Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) · Brazil (Recife)

This study assessed heavy metal accumulation in an urban garden in Recife, Brazil, at varying distances from a high-traffic road. It found that increasing distance from the street decreased the accumulation of many potentially toxic elements. However, the study revealed a greater human health danger associated with the accumulation of antimony in lettuce, while concentrations of other elements in leaf tissues were within reported thresholds.

Hardiyanto Hardiyanto, Constancio C. de Guzman · Indonesian Journal of Agricultural Science · Philippines (Metro Manila)

This study investigated the levels and distribution of lead (Pb) and cadmium (Cd) in white cabbage, soil, and irrigation water from urban agricultural sites in Las Piñas and Parañaque, Metro Manila, Philippines. Field areas were divided into three sections based on distance from the main road (0, 25, and 50 m), and metal contents were measured by Atomic Absorption Spectrophotometry. The average Pb content (1.09 µg g-1 dry weight) in white cabbage was highest immediately beside the main road, with a similar trend in soil. A negative relationship was found between distance from the main road and Pb and Cd contents in white cabbage and soil. While overall concentrations of Pb and Cd in white cabbage, soil, and irrigation water were within acceptable limits, further study on heavy metal contamination in crops, especially those grown along main roads, was suggested.

Júlio Cézar de Almeida Lopes, Hélder Ribeiro Freitas, Eliéser Santurbano Gervásio · Cadernos de Agroecologia · Brazil

This study evaluated the adoption of a drip irrigation kit in an agroecological community garden in Juazeiro, Brazil. The introduction of the system and the social organization of the group led to low adoption of the drip irrigation system, with several farmers returning to manual watering and, to a lesser extent, micro-sprinkler systems.

Alessandra Silva Araújo · URBANA Revista Eletrônica do Centro Interdisciplinar de Estudos sobre a Cidade · Portugal

This research compared factors leading to community garden initiatives in Porto, Portugal, and Belo Horizonte, Brazil, focusing on the influence of urban planning processes. It found differences in how urban planning in both cities incorporates urban agriculture practices. The connections between urban agriculture and urban planning, facilitated by environmental planning practices, were found to be incipient, hindering planning's goal of catalyzing a sustainable city.

Rob Moquin, Alan P. Diduck, A. John Sinclair, Iain J. Davidson‐Hunt · Canadian Food Studies / La Revue canadienne des études sur l alimentation · Canada

This research documented participants' experiences of community-building through community gardening in Kenora, Ontario, Canada, using Photovoice with twelve participants, follow-up interviews, and participant observation. Findings revealed a relational perspective of community gardening and the importance of sharing and learning, but also identified barriers to social capital and ecological citizenship. Future initiatives must address colonial and racial barriers to collaboration and ensure accessible garden locations.

Subhashni Raj, Samina Raja, Bree-Ana Dukes · Journal of Hunger & Environmental Nutrition · United States

This study examined the influence of urban agriculture (UA) programming on fruit and vegetable consumption among urban youth in Buffalo, New York. Results indicated that while youth were willing to try new foods, other food behaviors did not change. The study found that UA programming is beneficial but not sufficient to engender healthy eating behavior in youth, with fruit and vegetable consumption also associated with gender and neighborhood median household income.

Noëllie W. Kpoda, Mariam Sou Dakouré, Boubacar Savadogo, Amadou H. Maïga, Jean-Noël Poda, G.B. Kabre · Journal of Water and Environment Technology · Burkina Faso (Ouagadougou)

This study in Ouagadougou, Burkina Faso, compared the parasitological characteristics of wastewater at a treatment plant's inlet and outlet, and in an open channel conveying treated wastewater to a garden site. Non-viable parasite cysts or eggs were found at the treatment plant, but viable parasite cysts and eggs were detected in the open channel. An epidemiological study demonstrated that open defecation by highly infected individuals within the garden site caused recontamination of the treated wastewater.

Natalie Hall · · China

This ethnographic research, based on two months of fieldwork in Beijing and Shanghai, investigated alternative food networks in China, including organic farms, farmers' markets, and garden plot rentals. The study argues that these networks exhibit complex and contradictory characteristics, not neatly aligning with either alternative or conventional food systems. The practice of alternativeness is presented as a pragmatic response to food safety uncertainty and declining social trust, rather than an escape from capitalism or a purely transformative agenda.

Bettina 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.

Katharina Nowak · Freiburger Geschlechterstudien/Freiburger Zeitschrift für Geschlechterstudien · United Kingdom (London)

This paper explores participation in London's local organic food network, Organiclea, examining how whiteness and coloniality influence engagement in food activism. Using inductive interviews and intersectionality, the study found disproportionate participation of diaspora subjects in the design and operation of local organic food practices. This highlights racialized ecological identity formation within such networks.

Ana Cristina Torres, Anne Caroline Prévot, Sophie Nadot · Letras Verdes Revista Latinoamericana de Estudios Socioambientales · France (Paris)

A study of 9 Parisian community gardens revealed the limitations of the dominant approach in conservation sciences and urban planning, which seeks to halt environmental deterioration by establishing an ethical basis of attitudes deemed appropriate for conserving a particular nature, by limiting human-nature interaction. Considering citizen subjectivities, the study offers perspectives to nourish conservation sciences and rethink cities.

S. J. Ibitoye, U Shaibu, Firdaus Sale, Oroka Frank · International Journal of Agricultural and Veterinary Sciences · Nigeria (Kogi State)

This study assessed the influence of urban agriculture on household income in Kogi State, Nigeria, using data from 120 urban farmers. Urban agriculture was found to increase household income at a 90% confidence level. However, urban farmers faced significant constraints including inadequate capital (M=2.9), poor extension services (M=2.4), and high labor costs (M=2.2).

Jae-Youl Lee · 대한지리학회지 · South Korea (Seoul)

This article examines the concept of 'community' in Seoul's community garden program, comparing how ordinary citizens and civil society activists interpret and practice it. Empirical findings suggest a contestation over community, with ordinary citizens prioritizing place-based experiences and activists viewing community gardens as a governmental technology. A gap between ordinary practical achievements and civic activism poses a potential danger to urban community policy.

Katherine Alexandra Herrera Hernández, Yohanna Marcela Pinzón, Ruth Zamira Herrera Rincón · · Colombia (Bogotá)

This project aimed to contribute to the study of Urban Peri-urban Agriculture (UPA) in Bogotá by describing projects led by the José Celestino Mutis Botanical Garden from 2004 to 2016, analyzed from an environmental education perspective. Using a qualitative methodology, the study investigated fundamental elements in education-management development, such as participation, the construction of the concept of environment, and the strengths and weaknesses in achieving these projects within the framework of successive city governments during that period.

Prince Antwi-Agyei, Anne Peasey, Adam Biran, Jane Bruce, Jeroen H. J. Ensink · PLoS ONE · Ghana (Accra)

This study, conducted from September 2012 to August 2013 with 490 respondents in Accra, Ghana, assessed knowledge and awareness of wastewater use in urban agriculture. It found low awareness of irrigation water sources among consumers and street food vendors, and low health risk awareness among farmers, despite high awareness among salespersons and consumers. Crucially, consumers did not prioritize health indicators when purchasing produce, and farmers' health risk awareness did not influence their adoption of safer practices.

Emad Abdulrahman Al-Heety, Kadhim H. Yassin, Safa Abd-Alsalaam · Human and Ecological Risk Assessment An International Journal · Iraq (Baghdad)

This study evaluated the health risk of heavy metals (Cd, Cr, Cu, Ni, Pb, Zn) in soils from 14 urban community gardens in Baghdad City, Iraq. The non-carcinogenic hazard index (HI) was below the threshold (HI < 1), indicating no non-carcinogenic hazard. However, the carcinogenic risk index (RI) for Cd, Cr, and Ni exceeded the unacceptable threshold (RI < 1 × 10−4), demonstrating a serious carcinogenic risk for children and adults in the study area.

Heather 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.

Kirsten Schwarz, Bethany B. Cutts, Jonathan London, Mary L. Cadenasso · Sustainability · Global

This paper proposes reframing the issue of soil lead contamination and urban gardening in shrinking cities from a potential conflict to a potential solution. Many shrinking cities face high soil lead burdens from their industrial past and the historic use of lead-based paint and leaded gasoline, which is often seen as a barrier to urban agriculture. The paper argues that urban gardening can be a solution to the soil lead problem through soil management, including soil testing and the addition of amendments, and through social network and community building.

Alesia Montgomery · International Journal of Urban and Regional Research · United States (Detroit)

A case study of downtown Detroit theorizes that the history of clashes between racial capitalism and social movements in public space reappears in the contradictory design of market-driven placemaking. This placemaking subordinates the black urban poor, even while incorporating black entrepreneurs and culture. Consequently, it suppresses the ability of African Americans to shape public space, despite the return of the white middle class to central cities.

Sandy Smith‐Nonini · Anthropology in Action · United States

This article discusses lessons learned from Eco-Cycle, a social enterprise supporting sustainability education in central North Carolina, U.S.A., since 2011. Eco-Cycle faced the challenge that many social justice-oriented green initiatives emulating urban agriculture models are grant-dependent in early years and achieve economic sustainability with difficulty. However, this non-profit co-op of upcycler crafters and vintage vendors grew from the production and marketing of upcycled rain barrels, pursuing economic sustainability through a social enterprise approach.

George Martin, Roland Clift, Ian Christie · Sustainability · Global

This exploratory study examined three urban cultivation sites in New York, London, and San Francisco to assess their nutritional, ecological, and social sustainability contributions. Field analysis revealed very low food outputs relative to the populations of their catchment areas, indicating that most urban food will continue to come from outside urban peripheries. The study concluded that urban food growing's sustainability benefits are more social than agronomic or ecological.

Lorelei L. Hanson, Deborah Schrader · Interdisciplinary Environmental Review · Canada (Edmonton)

This case study critically examined the development of a food and urban agriculture strategy in Edmonton, Canada, using survey data and semi-structured interviews with citizens and stakeholders. It explored the transformative potential of local urban food initiatives and identified hurdles in moving beyond maintaining the status quo. The study aimed to identify leverage points for long-term local food system transformation within conceptualizations of sustainability.

Matthew M. Mars · Journal of Agriculture Food Systems and Community Development · Canada (Vancouver)

Michael Ableman's book "Street Farm" tells the story of how an urban farm transformed vacant lots in Vancouver, Canada's Low Tracks neighborhood into sites for food production, partial community restoration, and nurturing the human spirit. The narrative reveals a tenuous balance between the promises of urban farming and the harsh realities of addiction, hunger, homelessness, and violence often characterizing inner-city conditions. Urban agriculture is presented as a means to sustainably produce food for a city while also feeding the souls of disenfranchised individuals and communities.

Sara L. Lyons · DigitalCommons (California Polytechnic State University) · United States

The University of Maine Black Bear Food Guild is an entirely student-run Community Supported Agriculture (CSA) operation that offers student learning and work opportunities. Despite providing various benefits, the Black Bear Food Guild requires financial support to expand its program and ensure its sustained success, indicating a critical need for funding to maintain its future viability.