Research & reports

Moçambique 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.

Khalid 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.

Stella 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.

Abiola Adebunmi Olarinre · International Journal of Research and Innovation in Applied Science · Nigeria

This research surveyed 240 households in Osogbo, Ile-Ife, and Ilesa cities in Osun State, Nigeria, to analyze urban household food security and coping mechanisms. Findings showed that only 17.9% of households achieved food security, with 39.6% experiencing moderate and 16.3% severe food insecurity. Household income, education, household size, credit access, and food expenditure share significantly influenced food security.

Natalia 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.

James S. Kaba, Joseph Mutungi, Gladys Rotich · International Journal of Research and Innovation in Social Science · Kenya

This study examined the implications of urbanization-triggered industrial development on food security in Kiambu County, Kenya, neighboring Nairobi. Through mixed qualitative and survey-based data collection and analysis from 400 respondents including farmers, agricultural workers, urban planners, and government officials, the study found an 85% increase in farmland conversion to industries over the last 20 years. This industrialization contributed to a decline in food production, as reported by 65% of respondents who left farming for industrial jobs. Land-use transformations have resulted in fewer farms involved in agriculture and the replacement of old food systems.

Joyce Thamaga-Chitja, Nthabeleng Tamako, Temitope O. Ojo · Land · South Africa (Pietermaritzburg)

In Pietermaritzburg, KwaZulu-Natal Province, South Africa, the impact of land ownership on household food security among 156 urban farmers was analyzed. The majority of surveyed households experienced mild food insecurity, with a smaller proportion facing moderate insecurity. Land ownership was found to significantly reduce household food insecurity by 50%. Monthly income, age, and cooperative membership positively influenced land ownership likelihood, while gender and distance to market had negative impacts.

Yusuf Kamaluddeen Ibrahim, Zabawi Abdul Ghani, Rasheed Osuolale Oladosu, O. D. Idris,, Tamwesigire Caleb · Journal of Innovative Research · Nigeria (Bauchi)

In Bauchi metropolis, Nigeria, urban farming practices and constraints were investigated among 285 urban farmers. Findings revealed that most farmers do not own land, instead borrowing or renting it. The major constraints to urban agriculture were reported as lack of tenure security, limited land area, and poor access to microcredit facilities.

S 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.

Kurt 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.

Girma Mulu Alemu, Sophie Schramm, Wilbard Kombe · Cogent Social Sciences · Ethiopia (Addis Ababa)

This qualitative study in peri-urban Addis Ababa, Ethiopia, explored the impacts of peri-urbanization on smallholder farmers' socio-economic conditions. The research found that peri-urbanization leads to the erosion of capital assets, with dwindling agricultural land causing tenure insecurity and disrupting livelihoods. This process exacerbates smallholder farmers' marginality by weakening social ties and mutual support systems.

Solomon 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.

Emmanuel Ndhlovu · Discover Sustainability · South Africa

This article critically analyzed food system policies and actions in four South African cities, drawing from grey and academic documents. It found that the government is failing to achieve food security, with approximately 58 million people facing food insecurity in 2023. The study concludes that transforming South African food systems requires coherent policies, shortened supply chains, integration of food into urban planning, and increased support for farmers, among other actions.

Paule Moustier, Jacques Pagès · HAL (Le Centre pour la Communication Scientifique Directe) · Africa

This study examined peri-urban agriculture in Africa, identifying it as a significant income and food source for the urban poor, but subject to constraints, primarily land pressure. Analysis of the vegetable supply chain in Brazzaville showed rural and peri-urban areas are complementary, with different types of vegetables originating from each. Land constraints, transport, access to inputs, and technical assistance are crucial factors determining production location. Historical analysis invalidates hypotheses of linear decline or development through intensification for peri-urban agriculture.

Fuchaka 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.

Ganda Adoum Malato, Nguinambaye Mberdoum Memti, Alhadj Markhous Nazal, TAMTIAL Ngariban, Touroumgaye Goalbaye · Journal of Experimental Agriculture International · Africa

A field survey of 121 randomly selected market gardeners in the city of Sarh, Chad, characterized market gardening practices there, covering grower profiles, farm characteristics, cultivation practices and vegetable products. Most gardeners were married men (70.25% married, 86.78% men) with an average age of 31, only 11.57% illiterate, farming plots averaging 333 m² (range 42-1,492 m²), 56.20% of which were inherited; 66.67% irrigated with river water, 83.5% used organic fertilizer and 82.64% used chemical fertilizer, 53.72% applied pesticides while 46.28% used biopesticides, and leafy vegetables made up 45% of cultivated products.

Human Sciences Research Council · Figshare · South Africa

A 2025 study from South Africa's Western Cape used propensity score matching on data from 220 households — those participating in Department of Agriculture-funded backyard garden projects plus a control group — to assess urban agriculture's contribution to household food security. Households engaged in urban agriculture benefited from greater dietary diversity and income from selling produce, but the study found no significant positive contribution of urban agriculture to food security.

Nicole Paganini · · Africa

Drawing on critical theorists including Fanon and Mbembe, the chapter examines how crises expose systemic inequalities and power imbalances rooted in colonial legacies, and how gardening becomes a means of agency, resistance, and the restoration of dignity in response to food injustice, through four African city case studies: Cape Town's land crisis, Maputo's post-war hunger crisis, Nairobi's COVID-19 crisis, and Ouagadougou's migration crisis. Noting that women are globally the primary actors in farming and food-related activities, it treats the question of women and land tenure as relevant, examining urban agriculture through a decolonial lens and framing crisis gardening as both a means of sustenance and a catalyst for community resilience and social cohesion in times of turmoil.

Valentine Opanga · Urban Political Ecology · Kenya

A study examines how green urbanism is imagined, politicised and contested in two informal settlements in Nairobi, Kenya, Korogocho and Pumwani-Majengo, using a mixed-methods approach combining Feminist Urban Political Ecology, Postcolonial Urbanism and Travelling Models, drawing on 45 semi-structured interviews, six focus group discussions and a review of policy documents. It shows that international greening agendas are selectively interpreted, reworked or resisted rather than adopted as a unified global sustainability narrative. Findings reveal that state-led greening initiatives, even when aligned with global frameworks, can reinforce spatial inequality, displace low-income residents and obscure colonial-era land injustices. At the same time, grassroots actors engage in context-specific greening practices such as urban farming and dumpsite reclamation driven by survival and care, representing forms of environmental agency that challenge dominant models.

Byamungu Lincoln Zabuloni, Maxwell Mudhara, Joyce Chitja · Food and Energy Security · South Africa

A study assessing the impact of home- and community-garden programs on household food security status in uMzumbe Local Municipality, KwaZulu-Natal, South Africa, using random and purposive sampling to survey 223 respondents with a structured questionnaire and a Tobit regression model to examine determinants. Total income (p<0.001), extension services (p<0.01), credit access (p<0.05), age, farm size (p<0.01) and education level (p<0.05) positively affected food security status, while household size (p<0.001), home gardens (p<0.01) and community gardens (p<0.01) negatively affected it. The study concludes that implementing home and community garden programs alone was not enough to improve households' food security status in uMzumbe Municipality.

Mayowa R. Opeagbe, MPH, B.Tech, B.Tech Feranmi R. Olawoore, B.Tech Stephen O Ayankoso · Zenodo (CERN European Organization for Nuclear Research) · Nigeria

A mixed-methods study combining an extensive literature review with a structured survey of 120 respondents across major Nigerian urban areas, assessing demographic factors, farming practices, the effects of urban agriculture (UA) on food security and the environment, and the challenges limiting its practice. 58.3% of respondents practiced urban farming, primarily through container and backyard gardening. About 62.5% reported increased access to fresh produce. The most cited environmental advantages were reduced waste (54.2%) and improved air quality. Limiting factors included limited space (50.0%), expensive inputs (45.8%), inadequate access to water (37.5%), and low levels of institutional support. 83.3% of respondents were willing to see UA incorporated into urban planning, and 75.0% favored UA in school programs. The paper describes UA in Nigeria as partially unexploited due to weak policy attention and a lack of infrastructural base, and recommends that policymakers integrate UA into urbanization, land and resource access, and institutional and educational support.

Karen Botes, Christina Breed · Land · South Africa

In the Melusi informal settlement of Tshwane, South Africa, researchers used a mixed-methods approach -- semi-structured questionnaires, focus group interviews, and photo-elicitation, analyzed with SPSS and Atlas.ti -- to examine socio-cultural perceptions of modular living wall systems planted with African vegetables as a way to enhance household food security. Key barriers to urban agriculture identified included high maintenance costs, pest control problems, spatial constraints, exposure to extreme weather, and limited access to water and fertilizer, while the community supported living walls with African vegetable crops for their space-saving and biophilic value, with success depending on low-tech, cost-effective, modular systems built from recycled materials using nutrient-dense, compact crops.

Moçambique MANI TESE, Franscisco Monteiro Chimote, Paulo Xavier Tebulo · Revista fisio&terapia. · Mozambique

This study examined the challenges and opportunities in formulating and implementing urban food policies in Mozambique, focusing on the city of Quelimane, drawing on literature review, official document analysis, and observations from multisectoral training that involved the municipality's departments, nutritionists from the health and agriculture ministries, industry and commerce representatives, district services from Quelimane, Maganja da Costa, Mocuba, and Nampula, an Agrofood-link Mozambique representative, urban planning and infrastructure staff, and a Shoprite supermarket. It identified institutional fragmentation, precarious infrastructure, and climate change impacts as factors compromising urban food security, alongside opportunities linked to urban agriculture, participatory governance, and international cooperation.

Ashagrie Gibtan, Wondwosen Abera, Mekuria Delelegn, Molla Maru, Adamu Emiru · Ochrana prírody Slovenska/Ekológia · Ethiopia

Land Use/Land Cover (LULC) dynamics were analyzed in four Ethiopian cities—Addis Ababa, Hawassa, Bahir Dar, and Adama—over 17 years from 2006 to 2022. SPOT 5 and Sentinel satellite imagery, key informant interviews, focus group discussions, and field observations were used. Findings revealed a rapid expansion of urban built-up areas, primarily at the expense of peri-urban horticultural lands, which has an adverse impact on the sustainability of urban agriculture.

Goshu 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.