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Impact of Community Composting Education on Organic Waste Management Practices among Households in Nigeria

Abstract

Organic waste constitutes a significant proportion of household solid waste in Nigeria, particularly food scraps, fruit and vegetable residues, leaves, and other biodegradable materials. Inadequate management of organic waste may contribute to environmental pollution, unpleasant odours, blocked drainage systems, proliferation of flies and rodents, greenhouse gas emissions, and other environmental and public health concerns. Many households dispose of biodegradable waste together with other forms of household refuse, resulting in increased waste volumes and reduced opportunities for resource recovery. Community composting education provides a practical approach to improving household knowledge and skills regarding the separation, handling, composting, and beneficial reuse of organic waste. By providing households with practical information and demonstrations on simple composting methods, community education may encourage sustainable waste-management practices and reduce the quantity of biodegradable waste disposed of through conventional waste streams. Against this background, this study investigates the impact of community composting education on organic waste management practices among households in Nigeria. The study will be anchored on the Health Belief Model, Social Cognitive Theory, and Social Ecological Model. The Health Belief Model explains how household members' perceptions of the health and environmental consequences of poor organic waste management, perceived benefits of composting, perceived barriers, and cues to action may influence their waste-management behaviours. Social Cognitive Theory emphasizes observational learning, behavioural modelling, self-efficacy, reinforcement, and practical demonstration in developing and maintaining appropriate composting practices. The Social Ecological Model emphasizes the influence of individual, household, community, environmental, socioeconomic, infrastructural, and institutional factors on household waste-management practices. Collectively, these theoretical perspectives provide a suitable framework for explaining how community composting education may influence organic waste management practices among households in Nigeria. The study will adopt a quantitative quasi-experimental or analytical cross-sectional research design. The study population will comprise households residing in selected urban, semi-urban, and rural communities across Nigeria, with eligible respondents being adults primarily responsible for household waste management. A multistage sampling technique will be used to select geopolitical zones, states, local government areas, communities, households, and eligible respondents. Community composting education will be assessed using indicators such as exposure to composting education sessions, frequency and duration of training, knowledge of organic waste separation, identification of compostable materials, practical composting demonstrations, knowledge of suitable composting methods, compost-site preparation, appropriate moisture and aeration practices, safe handling of organic waste, compost maturation, and appropriate use of finished compost. Organic waste management practices will be assessed using indicators such as separation of organic waste at source, proper handling of food scraps and garden waste, household composting, use of designated organic-waste containers, reduction of organic waste sent to disposal sites, maintenance of composting areas, prevention of odour and pest problems, safe handling of compost, and appropriate use of finished compost. Data will be collected using structured questionnaires, household observation checklists, organic waste management assessment tools, waste audits where feasible, community education attendance records, and relevant environmental health programme documents. Descriptive statistics will be used to summarize household characteristics, waste-generation patterns, exposure to composting education, knowledge levels, and organic waste management practices. Inferential statistical techniques, including chi-square tests, t-tests, correlation analysis, and logistic or multiple regression analysis where appropriate, will be used to determine the impact of community composting education on organic waste management practices. Where a quasi-experimental design is adopted, organic waste management practice scores before and after the educational intervention may be compared with those of a comparison group to determine changes associated with the intervention. Diagnostic tests will also be conducted to assess the reliability, validity, and robustness of the findings. The study is expected to find that community composting education has a significant positive impact on organic waste management practices among households in Nigeria. Households exposed to structured and practical composting education are expected to demonstrate better separation, handling, composting, and reuse of organic waste than households without comparable exposure. Practical demonstrations may improve household members' ability to identify compostable materials, separate biodegradable waste from other household refuse, establish simple composting systems, maintain appropriate composting conditions, and safely use finished compost. Community education may also increase awareness of the environmental and public health benefits of reducing organic waste disposal and encourage households to adopt more sustainable waste-management practices. However, limited household space, inadequate waste-management infrastructure, concerns about odours and pests, lack of composting materials or equipment, limited time, household preferences, inadequate community support, and weak local waste-management systems may reduce the effectiveness of education alone. The study therefore expects practical, affordable, culturally appropriate, and community-supported composting education, combined with adequate waste-management infrastructure, to contribute significantly to improved organic waste management practices among households in Nigeria. The study is expected to contribute to the literature on community composting, organic waste management, household waste practices, environmental sanitation, waste reduction, environmental health, sustainable waste management, community health education, and public health in Nigeria. The findings will provide useful information to the Federal Ministry of Environment, Federal Ministry of Health and Social Welfare, state ministries and agencies responsible for environmental health and waste management, local government authorities, environmental health officers, waste-management organizations, community-based organizations, agricultural extension services, public health practitioners, development partners, and policymakers regarding strategies for improving household organic waste management. The study will also provide evidence-based recommendations for integrating composting education into community environmental-health programmes, promoting household waste separation, supporting low-cost composting systems, improving community waste-management infrastructure, strengthening environmental health education, encouraging the productive reuse of household organic waste, and developing sustainable community-based waste-management interventions across Nigeria.

Keywords: Community composting education, organic waste management practices, households, composting, organic waste, waste separation, environmental sanitation, environmental health, sustainable waste management, Nigeria, public health.