Research & reports

Douglas Donaghy · University of Chicago · United States (San Antonio)

This thesis explores the potential of transforming vacant lots and green spaces into multifunctional sites to address interconnected challenges of food insecurity, water scarcity, and urban heat in San Antonio, Texas. The study analyzes historical trends in aquifer water levels and infiltration metrics, spatial data on food deserts, and heat vulnerability indices across San Antonio to identify priority intervention areas. By integrating urban agriculture, bioretention basins, and vegetative cooling, these spaces can provide sustainable solutions to enhance food security, bolster the local water supply, and mitigate urban heat island effects.

Michaela Pixová, Christina Plank · Environmental Sociology · Czechia (Prague, Brno)

This paper compared the roles of allotment and community gardens in urban sustainability, using Prague and Brno, Czechia, as case studies. It analyzed perceptions of both by municipal actors, gardeners, and activists across four dimensions: public access to urban greenery, community building, food cultivation, and environment/climate protection. The paper argues that governments' preference for gardens aligned with the status quo undermines citizens' right to the city, urban sustainability, and resilience against future threats.

PhD HSG Eunice Mareth Querol Areola, Dacones Galit Dacones · Journal of Sustainable Community Development (JSCD) · Philippines

This study used comparative data to examine small and medium-scale urban farming, including community gardens, rooftop farms, and backyard gardens, in highly urbanized cities in the Philippines. It focused on the effects on food insecurity, daily spending, and environmental sustainability at the household level, without performing life-cycle analysis of agricultural systems. The study highlighted the short-term and local effects of urban farming on the selected cities' social and economic difficulties and the area's sustainability.

Hernán José Hernández Durán · Asian Journal of Science Technology Engineering and Art · Global

This study points out that small-scale food production within urban and peri-urban environments can decrease dependence on external food sources, support environmental sustainability, bolster local economies, and improve urban residents’ quality of life. However, the implementation of urban agriculture faces considerable challenges, including limited access to cultivable land, inadequate infrastructure, and regulatory constraints. Focusing on San Miguel, El Salvador, this article explores the role and impact of urban agriculture in addressing food insecurity and provides strategic recommendations to enhance urban resilience and sustainability.

Sara-Charlotte Cayen, Kesnamelie-Ann Outha, Pierre Paul Audate · International Journal of Environmental Health Research · North America

This narrative review synthesized the ecosystem services of urban food forests and their contributions to urban health and food sustainability in North American cities. Based on 13 studies published between 2018 and 2023, it identified that food forests provide services such as sustainable food production and climate regulation. However, their implementation faces challenges including public space governance, maintenance costs, regulatory barriers, and ecological risks like invasive species.

Julia Gobs · GAIA - Ecological Perspectives for Science and Society · Germany

This study investigated the school-based food forest project at Chestnut School in Northern Germany, using interviews and participatory methods framed by the Whole School Approach. School-based food forests contribute to holistic education for sustainable development by offering interdisciplinary, hands-on learning environments. They promote systemic thinking, agency, and self-efficacy, fostering human-nature connections, critical thinking, and sustainable food practices.

Wang, Junrong · Digital Commons - RISD (Rhode Island School of Design) · Global

This project uses landscape architecture to reduce carbon emissions from restaurants by implementing compost gardens that shorten compost transportation routes. These gardens, placed on roofs and at ground-level, create new local food sources to replace distant shipments and provide materials for organic pesticides, reducing carbon-intensive VOC emissions. The compost gardens are integrated into existing parking lots and vacant lots, forming a community garden network.

Sophie Joimel, Tania DE ALMEIDA, Baptiste Grard · · Global

Urban soils are characterized by high heterogeneity and diverse source materials, leading to a wide range of physical, physicochemical, and biological properties. These soils support diverse forms of urban agriculture and can provide various ecosystem services beyond their productive function.

Corrie Hannah, Jordan Blekking, Julia Davies, Jane Battersby, Allan Chilenga, Dorcas Kabuya, Percy Toriro · Ecology and Society · Zambia

This empirical case study examined how the COVID-19 pandemic affected urban food systems (UFS) in 14 Zambian cities, using household survey data from 2019, 2020, and 2021. Descriptive and regression analyses assessed household food sourcing, including urban agriculture. Households from diverse socioeconomic quartiles faced similar food security challenges but coped differently based on capacities and resources, indicating a lack of equitable outcomes. Smaller and remote cities sourced food from open-air markets, vendors, and urban agriculture, while more connected cities used local shops.

Eman Aldhahri, Abdulwahab Ali Almazroi, Monagi H. Alkinani, Nasir Ayub, Elham Alghamdi, Nourah Fahad Janbi · IEEE Access · Global

This study proposes ResXceNet-HBA, a novel classification model for crop health prediction and stress assessment in urban agriculture. The model integrates ResNet blocks, Xception modules, and HBA-optimized parameters, along with data handling techniques like WICL, LFS, and AFD. ResXceNet-HBA achieved 98.5% accuracy, 98.2% precision, 98.7% recall, and 98.4% F1-Score, outperforming ResNet, CNN, and Inception V2, and executed faster in 50.9 seconds.

H.J. Thwaites, Jungho Suh, G.M. Coote, Melissa Nursey‐Bray, Timothy R. Cavagnaro, M.J. Salomon · Journal of Cleaner Production · Global

This systematic quantitative literature review explores urban food forests, defined as woody food-producing species in urban landscapes, identifying their realized and potential impacts across ecosystem services, food security, health, society, and culture. The research found that urban food forests are highly valued for providing local foods and medicine, as well as regulating services, and contribute to biodiversity, economic and social inclusivity, and human well-being. The review highlights urban planning and design as a central research theme and identifies a need for more quantitative research and integration into local legislation.

Daniel Borer, Daniel Fuller, Manjit Singh Sandhu, Duy‐Tung Bui · Social Responsibility Journal · Global

This conceptual paper introduces the Pancentric Nutrition Paradigm, an interdisciplinary framework integrating human nutrition, environmental sustainability, animal welfare, and societal considerations for global food systems. It identifies four strategies for sustainable food systems: implementing urban agriculture and agro-zoos, introducing a meat carbon tax (€0.10 per kg CO2e), promoting ostrich farming, and developing policy pathways. The study suggests the pancentric approach can harmonize competing interests in food systems.

Gizaw Ebissa, Hayal Desta, Aramde Fetene · Discover Water · Ethiopia (Addis Ababa)

This research assessed the contribution of treated wastewater (TW) from Bole-Lemi Industrial Park in Addis Ababa, Ethiopia, to agricultural sustainability over a 3.5-month production season. It found that 53 kg of nitrogen and 1 kg of phosphorus were recovered, saving farmers 5,535 USD and reducing fertilizer costs by 28%. The TW provided 17,500m3 of irrigation water, converting 70 hectares of idle dry-season land into productive use. Continuous monitoring of soil conditions is crucial for long-term sustainability.

Zafar Tabrez · Discover Food · Global

Urban agriculture contributes to urban sustainability by supporting food production, income generation, waste recycling, preventing urban sprawl, preserving biodiversity, and enhancing resilience and local economies. Achieving sustainable implementation requires integrating urban farming into urban planning processes and developing specific policies. Incorporating urban gardening into urban planning and strengthening it with policies enhances its sustainability, improves food security, raises awareness, reduces poverty, and improves food systems. Additionally, urban gardens mitigate urban heat islands, waste, and air pollution, improve health, and foster social connections, with organic agriculture boosting biodiversity and urban food production reducing CO2 emissions.

Jyotsana Agarwala · · India

This case study examines the potential of rooftop organic farming and novel supply chain tactics in Badlapur, Maharashtra, India. It evaluates a rooftop organic farming initiative, assessing elements like input procurement, farming methods, logistics, and technological innovations. Research indicates that decentralized food production, such as rooftop gardening, diminishes reliance on rural agriculture, lowers carbon emissions, and improves urban food sovereignty. The study also identifies obstacles including scalability, standardization, legal impediments, and insufficient customer awareness.

Christian Kofi Sarpong, Romanus Dogkubong Dinye, Alex Donbeinaa, Vera Nyarko Amoako · Asian Journal of Agricultural and Horticultural Research · Ghana

This study assessed the role of urban agriculture in Ghanaian cities through a systematic literature review of publications from 2000 to 2024. Urban agriculture was found to significantly contribute to food security, nutrition, and income, and to bolster environmental sustainability. However, challenges such as land tenure insecurity, unsafe irrigation practices, weak institutional support, and limited policy integration persist.

Anwesha Chatterjee, Proma Ghosh, Bastian Winkler, V Vijayaragavan, Sanjit Debnath, Jedrzej Cichocki, Marielle Trenkner, Bilitis Vanicela, Christoph Riethmueller, Monte Walz, Suhrid Chandra, Harshata Pal · Scientia Horticulturae · Global

This in-depth review explores the integration of hydroponics cultivation systems, reinforcing bioeconomy and sustainable agricultural growth. Hydroponics is a promising urban farming approach due to its high resource-use and land-use efficiency, enabling year-round production of high-quality fresh foods with less water, nutrients, and pesticides compared to soil-based methods. Recent studies focus on optimizing hydroponics for biofortification in indoor cultivation and integrating municipal wastewater treatment for nutrient and water recovery.

Ranjith P.C, Deekshith M, Murulidhar Venkannanavar, Geeta Gadekar · · Singapore; Brazil (Curitiba)

This chapter explores the contributions of green spaces, including parks, forests, and urban greenery, to key United Nations Sustainable Development Goals (SDGs) such as Good Health and Well-being (SDG 3) and Sustainable Cities and Communities (SDG 11). It highlights how nature access improves health, supports biodiversity, mitigates climate change, and strengthens urban infrastructure, while also promoting social inclusion and economic opportunities. Case studies from Singapore and Curitiba illustrate successful integration of nature into urban planning.

Sukanta Kumar Sarangi, Rajeeb K. Mohanty, Sukham Munilkumar, Jitendra Kumar Sundaray · · Global

This chapter presents new and innovative Integrated Farming System (IFS) models designed to meet future generations' needs, considering constraints on land, water, and energy. Described models include three-dimensional farming, aquapod farming, vertical farming, aquaponics, and hydroponics. The chapter also discusses strategies for doubling farmers' income, such as reducing cultivation costs and increasing production, and highlights the roles of international/national organizations and government schemes in promoting IFS.

Muhammad Fadeli, Tri Prasetijowati, Julyanto Ekantoro · Jurnal Pengabdian kepada Masyarakat UBJ · Indonesia (Surabaya)

This ecopreneurship program for university students at Universitas Bhayangkara Surabaya integrated urban farming practices with green business innovation by utilizing unused campus land for cultivating productive crops. The program enhanced ecological awareness, entrepreneurial skills, and the development of partnership networks with various stakeholders. Its implementation results indicated that urban farming ecopreneurship has significant potential to be replicated and developed as an innovative and contextual learning model with integrated social, economic, and ecological impacts.

Marcus Robinson, Jacky Bowring, Shannon Davis, Sarah Edwards · Landscape Research · Global

This narrative review explored how urban expansion at the rural-urban fringe drives the loss of productive agricultural land, biodiversity, and ecosystem services. The review examined how these competing interests can be negotiated spatially, emphasizing the role of multifunctional green infrastructure to integrate both food production and ecological function across the urban-rural continuum.

Qing Zhong, Daoqin Tong, Courtney Crosson, Yinan Zhang, Rashi Bhushan · Water Resources Research · United States

This study developed a spatial optimization model to identify investment strategies for deploying rainwater harvesting (RWH) and reclaimed water systems to expand urban food production in water-stressed cities. Applied to Tucson, Arizona, the model showed that 72%–96% of investment was allocated to rainwater tanks, though RWH contributed only 18%–27% of total food production. The results indicated that expanding the reclaimed water network was more effective and cost-efficient for urban food production compared to implementing rainwater tanks.

Henri P. Uranus, Reinhard Pinontoan, Dwi H. Yulian, Rianto Mangunsong · Springer Link (Chiba Institute of Technology) · Indonesia

This paper presents the design and implementation of an off-grid solar power system for rooftop farming in Tangerang, Indonesia. The system, monitored via an IoT-based data logger, showed stable operation with an average daily energy production of 1.6 kWh, sufficient for 2 hydroponic and 1 aquaponic system's 0.9 kWh daily load during the rainy season. The system reduces carbon emissions by 313.7 kg per year compared to coal-based grid power.

Chivers, Ruth, Laing, Olivia 1977-, British Library · · Global

Ten award-winning designers present original garden designs for public and private spaces, extending up to 50 years into the future. These designs aim to mitigate the effects of climate change, encourage biodiversity, and address issues of legacy, land ownership, changing societal needs, and individual well-being. The paper emphasizes the power of gardening to nurture nature and adapt to change.

Mohammed Abdulai, Mohammed Tanko, Alhassan Andani · World Development Sustainability · Burkina Faso (Ouagadougou)

This study empirically investigated the link between municipal wastewater (MWW) use and vegetable productivity among 416 vegetable farmers in Ouagadougou, Burkina Faso, using survey data. It was found that MWW use alone is associated with a higher value of vegetable output, but regulation through contacts with extension agents reduces the agronomic and economic benefits of using MWW for irrigation.