Research & reports
Peer-reviewed research and reports on community urban agriculture, food education, composting, welfare and more.
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Comparative analysis of water footprints among urban and rural agricultural households in southeast Nigeria
2026David John Okoronkwo, Zorica Srđević, Simon Chidera Ugwoke · Discover Applied Sciences · Nigeria
This study analyzed the total water footprint (WF) and its components for 64 agricultural households (33 urban, 31 rural) in Enugu State, Southeast Nigeria. The total WF of urban agricultural households was 19,516.9 m³/month, 6.6% higher than rural households (17,088.2 m³), though the blue WF of rural households exceeded urban households by 4.7%. The study identified inefficient water use in urban households and limited water-saving devices in rural households as critical drivers of water consumption.
Urban–rural linkageClimate changeEconomicsA scoping review of the impact of urbanization on food security in Sub-Saharan Africa
2026Alemseged Gerezgiher Hailu, daniel girmay, samuel ataklti · Discover Food · Sub-Saharan Africa
This scoping review analyzed 155 sources (2009–2024) on urbanization's impact on food security in Sub-Saharan Africa. Findings showed rapid urban expansion converted 30% of peri-urban agricultural land in some regions, increasing dependence on imported staples, and low-income households spend 60–80% of income on food. A policy gap was identified, with only 12% of countries having supportive policies and 19% of cities designating land for farming.
Environmental trade-offsFood sovereignty & justiceEconomicsPeri-urban agricultureClimate changeHealthClimate change impact on urban food gardens: implications for adaptation strategies and food and nutrition security in townships in Pietermaritzburg Kwazulu-Natal, South Africa
2026Nthabeleng Tamako, Joyce Chitja · Agriculture & Food Security · South Africa
This study examined the impact of climate change on urban food gardens in Sobantu and Mpophomeni townships in Pietermaritzburg, KwaZulu-Natal, South Africa. Face-to-face interviews with 103 randomly selected participants revealed that climate change disproportionately affects resource-limited urban farmers, leading to erratic rainfall, pests, and natural disasters. Elevated temperatures, shifting weather patterns, and new pests and diseases significantly impact food gardens, affecting seed and crop selection and contributing to food insecurity.
Environmental trade-offsClimate changeFood sovereignty & justiceWelfareUrban–rural linkageGeospatial Dynamics of Urban Irrigation Agricultural Land Use for Sustainable Income Generation on the Jos Plateau
2026Dr. Emmanuel Omomoh, Sunday Nannim, Dr. Rogers Rengje. Danlami Gujahar, Moses Omitunde Omirinde, Gwamzhi Ponsah Emmanuel · International Journal of Latest Technology in Engineering Management & Applied Science · Nigeria (Jos)
A study analyzed urban irrigation agricultural land use changes in Jos South Metropolis, Nigeria, over a ten-year period (2014–2024) using geospatial techniques and fieldwork. Market garden area declined by 5.84%, while settlements expanded by 34.76%. Key constraints to sustainable urban agriculture were identified, including land tenure insecurity (63% of dry-season farmers were landless), limited access to irrigation water, pest and disease pressure, inadequate fertilizer supply, and increasing competition for land from urban development.
Governance failureEconomicsFood sovereignty & justiceClimate changePolicyNurturing Resilient Urban Animal Agriculture for Food Security in Sub-Saharan Africa: A Triad Approach to Social, Economic, and Environmental Sustainability
2026Never Assan, Justice Sibanda, Betty Mukuwapasi, Reason Rumbidzai Charachimwe, Edmore Masama · Journal of Frontiers in Multidisciplinary Research · Sub-Saharan Africa
Urban animal agriculture (UAA) in Sub-Saharan Africa is presented as a solution for food security but faces challenges including gender inequality, climate change, inadequate legislation, and environmental degradation. While UAA aims to enhance household food security and alleviate poverty, it also encounters environmental issues such as resource competition, water resource strain, improper manure management, greenhouse gas emissions, noise, and nuisance. Sustainable UAA requires semi-intensive silvopastoral and mixed crop and livestock systems to reduce environmental impact and enhance local food production.
Environmental trade-offsFood sovereignty & justiceWelfareClimate changePolicyUrban Sack Farming: Economic and Environmental Implications in Obio/Akpor Local Government Area of Rivers State, Nigeria
2026Chimka Owhorkaire Emenike, Ajoku Bright Chika · Iconic Research and Engineering Journals · Nigeria
A study was conducted in the Obio/Akpor Local Government Area of Rivers State, Nigeria, involving 204 participants in urban sack farming. Descriptive statistical analysis revealed that urban sack farming offers economic benefits such as reduced household food costs, increased profitability, job generation, and enhanced savings. It also contributes to environmental advantages like reduced pollutants, water efficiency, and soil conservation, serving as a viable livelihood strategy for urban residents, particularly in densely populated and economically disadvantaged areas.
EconomicsClimate changeFood sovereignty & justiceCommunityIntegrating Spatial Data and Indigenous Knowledge Systems for Resilient Urban Planning: Lessons from South Africa
2026Thembani Moyo, Vuyiswa Letsoko, Mhlalisi Gavu Mndzebele, Siphiwe Mbatha, Nonpumelelo Mzobe, Trynos Gumbo · · South Africa (Johannesburg)
In Johannesburg's marginalized settlements, limited infrastructure resources negatively impact household livelihoods, necessitating the development of planning support systems. Urban agriculture has emerged as a critical approach to enhancing food security and economic empowerment, and this study employed a mixed-method approach combining indigenous knowledge systems with spatial data to assess land suitability. The findings presented a land suitability index demonstrating how integrating GIS and citizen science strengthens urban resilience through adaptive land use, improved local food systems, and climate change mitigation.
Food sovereignty & justiceEconomicsPolicyClimate changeRemote sensing of urban heat dynamics and the cooling effect of urban green spaces in Ethiopian cities
2026Desalew Meseret Moges, Kristoffer Mattisson, Ebba Malmqvist, P Olsson · Environmental Challenges · Ethiopia
A study using satellite data from 2021–2024 examined urban heat and urban green space (UGS) patterns during the hot season across four Ethiopian cities. It found that UGS expanded in all cities, mainly along urban edges, and offered strong but spatially uneven cooling benefits. Daytime surface temperatures decreased, but nighttime temperatures showed mixed results, and dense central areas remained exposed to heat.
Limited or null effectClimate changeSustainability of Peri-Urban Rice Farming Practices in Ilorin, Nigeria
2025A. K. Ahmed, Rasheed Abiodun KURANGA, Oluwadara Latifat ISOLA-MUYIDEEN · International Journal of Research and Innovation in Social Science · Nigeria (Ilorin)
This study assessed the sustainability of environmental management practices among peri-urban rice farmers in Ilorin, Nigeria, using a sustainability index. It found that many practices were less sustainable, with 69.51% of farmers relying on chemical sprays and 69.85% using chemical fertilizers. The overall Environmental Management Practices Sustainability Index (EMPSI) for all farmers was 0.492, placing them in the moderately sustainable category.
Environmental trade-offsPeri-urban agricultureFood sovereignty & justiceClimate changeEconomicsAVALIAÇÃO DE PROCEDIMENTOS QUE GARANTAM A ADVOCACIA NA PERSPECTIVA DOS SISTEMAS ALIMENTARES, POLÍTICAS PÚBLICAS, LOGÍSTICA ALIMENTAR E RESILIÊNCIA URBANA NA CIDADE DE QUELIMANE-2025
2025Moçambique MANI TESE, Franscisco Monteiro Chimote, Paulo Xavier Tebulo · Revista fisio&terapia. · Mozambique
A study conducted in Quelimane, Mozambique, analyzed the procedures and challenges for ensuring advocacy for sustainable food systems. The research highlighted institutional fragmentation, the absence of urban agriculture regulation, and precarious logistics as critical obstacles. While community micro-strategies and urban gardens were identified as potential catalysts for transformation, the study concluded that strengthening local governance and multi-sectoral mobilization are fundamental.
Governance failurePolicyFood sovereignty & justiceCommunityClimate changeIMPACT OF URBANIZATION PRESSURES ON SOCIOECONOMIC DEVELOPMENT AND ENVIRONMENTAL SUSTAINABILITY IN NIGERIA.
2025Khalid Umar, Hamza Abba, UM Sani, M.D KWAIRANGA · JOURNAL OF SCIENTIFIC AND LEGAL STUDIES NORTH-EASTERN UNIVERSITY GOMBE · Nigeria
This review explores the multifaceted effects of urbanization pressures in Nigeria, including environmental degradation, urban poverty, housing shortages, and public health challenges. Case studies from major cities like Lagos, Kano, Ibadan, and Gombe demonstrate innovative responses such as sustainable urban planning, waste management, flood mitigation, and urban agriculture. The study emphasizes the urgent need for inclusive policies, community engagement, and sustainable strategies to promote resilient and equitable urban development in Nigeria.
PolicyEconomicsClimate changeFood sovereignty & justiceUrbanization, Climate Change, and Food Insecurity: A Triple Threat to Kiambu Sub-County, Kenya
2025Stella Kasiva Mbiti, Micah Makworo, Brenda Waruinu Githinji, Christine Sabwa · · Kenya
This study explored the inter-linkages of urbanization, climate change, and food insecurity in Kiambu Sub-County, Kenya. Findings show urbanization leads to dramatic land use changes, diminishing agricultural land, and exacerbated climate risks and food insecurity. The study identified institutional weaknesses, poor planning, limited regulatory frameworks, and political interference as key drivers of unsustainable urban growth and reduced food production.
Governance failureFood sovereignty & justiceClimate changePolicyUrban–rural linkageThe Langa Agri-Food Hub in Cape Town, South Africa
2025Natalia Urrego Díaz, Astrid Ley, Kurt Ackermann, Leonie K. Fischer · · South Africa (Cape Town)
This study focuses on the Langa Agri-Food Hub in Cape Town, South Africa. The Hub is an innovation-seeking project aimed at transforming the local food system from the bottom up, supporting farmers, and strengthening the community. Through a literature review and qualitative analysis, including site observations, interviews, and workshops, the study uncovered the Hub's potential to serve as a vital platform for individual empowerment and the strengthening of the local food system.
Food sovereignty & justiceCommunityEconomicsClimate changeThe Role of Urban Farming in Enhancing Food Security and Sustainability in Lagos Metropolis: A Stakeholder Analysis
2025S Aliyu, Okhimamhe A. A, I. M. Sule · International Journal of Research and Innovation in Applied Science · Nigeria (Lagos)
This study explored the role of urban farming in enhancing food security and sustainability in the Lagos Metropolis through focus group discussions and quantitative surveys with various stakeholders, including policymakers, urban farmers, and community members. Findings suggest urban farming's potential to reduce food transportation distances, enhance local food production, and mitigate climate change impacts. However, challenges such as land demands and gender disparities persist, necessitating integrated policy approaches and targeted educational programs.
Equity & displacementFood sovereignty & justiceClimate changeCommunityPolicySustaining Urban Food Gardens for Community Resilience: A Case Study of the Langa Agrihub, Cape Town, South Africa
2025Kurt Ackermann, Tamsin Faragher · CABI climate change series. · South Africa (Cape Town)
A three-year case study of the Langa Agrihub in Cape Town, South Africa, supports a network of over 250 urban farmers comprising more than 30 food gardens. The Agrihub provides inputs, infrastructure, knowledge exchange, and market connections, serving as a platform for civic participation, social cohesion, and local agency. This chapter states that the primary value of community food gardens lies in enabling communities to mitigate and adapt to intersecting stresses, including economic marginalisation, environmental degradation, and infrastructure shortcomings like water scarcity.
CommunityFood sovereignty & justiceClimate changeEconomicsWelfareA review of the role of nature-based solutions in mitigating food insecurity in Africa
2025Solomon Asamoah, Henry Mensah, Eric Kwame Simpeh, Eric Oduro-Ofori, Sandra Serwaa Boateng, Sarah Boateng, Listowel Koda Frimpong, Priscilla Okyere · Green Technologies and Sustainability · Africa
This scoping review examined the role of nature-based solutions (NbS) in addressing food insecurity in Africa, using bibliometric and thematic analysis of peer-reviewed literature. The study identified agroforestry, urban agriculture, and wetland restoration as NbS components. However, it found that a comprehensive understanding of NbS efficacy, challenges, and implications for food insecurity in Africa remains limited, with existing research primarily focusing on localized interventions rather than broader trends.
Food sovereignty & justiceClimate changeBiodiversityThe role of treated wastewater in fostering sustainable urban agriculture in Addis Ababa, Ethiopia
2025Gizaw 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.
Organic cycleEconomicsClimate changeLand Use Changes and Implications for Food Production Planning in Peri-Urban Ruiru Sub-County, Kenya
2025Fuchaka Waswa, Duncan Gichabe, Ruth Kahuthıa-Gathu · Journal of the Kenya National Commission for UNESCO · Kenya (Ruiru)
This study investigated land use changes in Ruiru Sub-County, Kenya, from 1988 to 2024 using GIS. By 2024, agricultural land had decreased by 45.62%, while urban land use increased by 509%, and bare/rocky areas rose by 133% due to abandoned stone mining. The decline in agricultural land leads to reduced industrial crop areas and a shift to leafy vegetables, with an expected increase in agro-chemical use in intensive peri-urban farming.
Environmental trade-offsPeri-urban agriculturePolicyFood sovereignty & justiceClimate changeLinking policies and regulations to sustainable finance for the promotion of urban agriculture: Evidence from micro and small businesses
2024Goshu Desalegn, Anita Tangl, Mária Fekete‐Farkas, Girma Gudisa, Anita Boros · Heliyon · Ethiopia
A study of micro and small enterprises in Ethiopia showed that government policies and regulations have an insignificant direct effect on urban agriculture. However, sustainable finance plays an important mediating role between urban agriculture and government policies, indicating that the impact of government policies and regulations on urban agriculture is indirect.
PolicyEconomicsFood sovereignty & justiceClimate changeImplications of a Climate-Smart Approach to Food and Income Security for Urban Sub-Saharan Africa: A Systematic Review
2024Nolwazi Z. Khumalo, Melusi Sibanda, Lelethu Mdoda · Sustainability · Sub-Saharan Africa
A systematic review and bibliometric analysis examined the implications of climate-smart agriculture (CSA) practices and climate adaptation strategies for food and income security in urban Sub-Saharan Africa. The review found that CSA practices boost urban food production and income, but also recognized critical challenges and trade-offs requiring urban agriculture transformation.
Governance failureClimate changeFood sovereignty & justiceEconomicsHealthUrban soil infiltration rates on different land use types in southwest Nigeria: actual versus model estimates
2024Ayodele O. Adelana · LAUTECH Journal of Engineering and Technology · Nigeria
This research quantified urban soil infiltration rates at 88 locations in Akure metropolis, southwest Nigeria, and assessed the effectiveness of Horton and Green-Ampt infiltration models. While Akure's urban soils showed high infiltration rates, both models poorly compared to measured rates, consistently underestimating urban soil infiltration. The models' largely below-average performance suggested that projections from them are less reliable for urban soils.
Climate changeLand cover changes and management effectiveness of protected areas in tropical coastal area of sub-Saharan Africa
2024Jeffrey Chiwuikem Chiaka, Gengyuan Liu, Hui Li, Wen Zhang, Mingwan Wu, Zhaoman Huo, F. Gonella · Environmental and Sustainability Indicators · Sub-Saharan Africa
This study evaluated land cover change and its drivers using spatial and statistical analysis in 22 designated protected areas (PAs) across the tropical coastal regions of sub-Saharan Africa. Results indicated that food production is prevalent in these protected areas regardless of their designation, and forest loss occurred in most PAs, suggesting weak conservation. Population density was the most significant driver of land cover change, and only 15 out of 22 protected areas showed an increase in their total ecosystem service value.
Governance failurePolicyUrban–rural linkageFood sovereignty & justiceClimate changeBiodiversityUrban agriculture for environmentally just cities: the case of urban community gardens in Cape Town, South Africa
2024Tinashe P. Kanosvamhira, Mohamed Deen Shade · Local Environment · South Africa (Cape Town)
This study examined how 34 urban community gardens in low-income neighborhoods of Cape Town, South Africa, contribute to environmental justice using a mixed-methods approach including remote sensing, interviews, and observations. Findings revealed an unequal distribution of green spaces between wealthier and less affluent neighborhoods. While current gardening benefits may not be widespread, the gardens offer advantages such as environmental education, promotion of agro-ecological practices, and land use for green purposes.
CommunityHealthClimate changePolicyDeterminants of adoption of urban agriculture (UA) as climate-smart agriculture (CSA) practices and its impact on food security: evidence from Wolaita Sodo city, South Ethiopia
2024Mamush Masha, Elias Bojago, Innocent Ngare · Discover Sustainability · Ethiopia
This study investigated the factors influencing the adoption of urban agriculture (UA) as climate-smart agriculture (CSA) practices and its impact on food security in Wolaita Sodo City, South Ethiopia. Data from 384 randomly selected urban households showed that 53.53% adopted UA, with significant differences between adopters and non-adopters in employment, UA attitudes, and household size. A logistic regression model identified family size, home ownership, household head's occupation, UA perceptions, market demand, and access to training as determinants of adoption. Propensity score matching confirmed that UA adoption significantly improved food security by 0.685-fold.
Climate changeFood sovereignty & justiceEconomicsImpacts of Urban Agriculture on Environment: In Case of Tora town, Silte Zone, Central Ethiopia.
2024Fedila Chumgicho · National Academic Digital Repository of Ethiopia · Ethiopia
This descriptive study assessed the impacts of urban agriculture on the environment in Tora town, Silte Zone, Central Ethiopia, using a mixed-methods approach with 204 systematically selected samples and 10 purposively selected key informants. Findings revealed that 41.2% of urban residential households were engaged in farming. The study underscored positive impacts such as sustainable waste management, organic waste utilization, and the adoption of sustainable agricultural techniques, while also identifying challenges like water-related issues and sustainable waste disposal.
CommunityClimate changeBiodiversity