Project – The Hidden Environmental Cost of Informal E-Waste Recovery and Its Implications for Urban Environmental Sustainability in Alaba International Market, Lagos State

CHAPTER ONE

INTRODUCTION

1.1 Background to the Study

The rapid expansion of digital technology, urbanization, consumerism and technological innovation has transformed contemporary societies in profound ways. Electrical and electronic equipment has become integral to domestic life, commerce, communication, education, healthcare, transportation and industrial production. However, the rapid turnover of electronic products has created an equally significant environmental challenge: the generation and management of waste electrical and electronic equipment, commonly referred to as electronic waste or e-waste. E-waste includes discarded electrical and electronic devices, components and accessories that have reached the end of their useful life. Unlike many conventional forms of municipal solid waste, e-waste contains a complex combination of valuable recoverable materials and potentially hazardous substances. This dual character makes e-waste both an economic resource and an environmental management problem.

The global scale of the e-waste problem has expanded considerably. The Global E-waste Monitor 2024 reported that the world generated approximately 62 million tonnes of e-waste in 2022, representing an increase of 82% from 2010. However, only 22.3% of the generated e-waste was documented as formally collected and recycled in an environmentally sound manner. The report projects that global e-waste generation could reach approximately 82 million tonnes by 2030 if current trends continue (Baldé et al., 2024). This rapid growth demonstrates that technological development, while producing economic and social benefits, also generates environmental externalities that must be addressed through effective waste management systems.

The environmental significance of e-waste arises from its chemical composition. Electronic equipment can contain lead, mercury, cadmium, chromium, nickel, copper and other metals, as well as plastics, flame retardants, persistent organic pollutants and other substances. These materials may remain relatively contained while equipment is functional, but inappropriate dismantling, burning, dumping or other crude recovery processes can release contaminants into the surrounding environment. The World Health Organization (WHO, 2024) identifies e-waste as one of the world’s fastest-growing waste streams and notes that unsound recycling practices can release numerous hazardous substances into air, soil, dust and water. Open burning, heating, acid leaching, manual dismantling and uncontrolled disposal are among the practices capable of creating environmental contamination.

The environmental problem is particularly serious in developing countries where informal waste recovery systems frequently fill gaps created by limited formal collection and recycling infrastructure. Informal e-waste recovery is generally driven by the economic value of materials contained in discarded electronic equipment. Workers may dismantle computers, televisions, refrigerators, air conditioners, mobile phones, cables and other devices to recover copper, aluminium, iron, plastics and other materials. While such activities contribute to livelihoods and resource recovery, they can generate significant environmental costs when conducted without appropriate technologies, occupational safeguards and pollution-control systems.

The informal sector therefore presents an important environmental paradox. On one hand, informal recyclers contribute to the recovery of materials that might otherwise be discarded. They also provide collection and recovery services in places where formal systems may be inadequate. On the other hand, crude recovery practices may transfer the environmental burden from the visible waste stream to less visible forms of pollution. Materials that have little immediate economic value may be discarded on open ground, while wires and other components may be burned to recover metals. Plastics and other residues may be left in the surrounding environment. Consequently, the economic value recovered from e-waste may coexist with soil contamination, atmospheric pollution, water contamination, ecosystem disturbance and other environmental consequences.

Nigeria provides an important context for examining this problem. According to the Global E-waste Monitor 2024, Nigeria generated approximately 497 million kilograms (497,000 tonnes) of e-waste in 2022, equivalent to about 2.3 kg per capita. Nigeria had the highest recorded e-waste generation in West Africa and was among the largest e-waste-generating countries in Africa. The same source indicates that Nigeria has national e-waste legislation and an Extended Producer Responsibility (EPR) framework, although documented formal collection and recycling data remain limited.

Nigeria’s position within the global electronics trade further complicates the problem. Used electrical and electronic equipment enters the country through established commercial channels, particularly through Lagos, where a substantial market exists for new, used and refurbished electronic goods. A study of used and waste electronics entering Nigeria through Lagos ports found that considerable quantities of used electrical and electronic equipment were imported, with some items arriving in non-functional condition. The study emphasized the importance of controlling the importation of non-functional equipment and strengthening extended producer responsibility as part of effective e-waste management (Ogungbuyi et al., 2019).

Lagos State occupies a particularly important position in Nigeria’s e-waste landscape because of its population, commercial significance, concentration of electronic markets and position as a major entry point for imported goods. Within this context, Alaba International Market is particularly significant. The market is widely recognized as a major centre for the sale, repair, refurbishment and circulation of new and second-hand electrical and electronic equipment in West Africa. Research has specifically identified Alaba International Market as one of the major e-waste recycling locations in Lagos and has documented the environmental consequences associated with informal e-waste activities there (Ohajinwa et al., 2018; Isimekhai et al., 2017).

The environmental significance of Alaba International Market is not merely theoretical. Empirical research has established evidence of contamination associated with informal e-waste activities in and around the market. Olafisoye, Adefioye and Osibote (2013) investigated heavy metals in water, soil and plants around an electronic waste dumpsite at Alaba International Market. Their study found measurable concentrations of cadmium, chromium, lead, nickel and zinc and reported that concentrations of several metals exceeded permissible levels. The study also found that concentrations varied according to soil depth, distance from the dumpsite and season, demonstrating the potential movement and dispersion of contaminants in the environment.

Similarly, Isimekhai, Garelick, Watt and Purchase (2017) examined heavy-metal distribution and ecological risk in soil at an informal e-waste recycling site in Lagos. Their findings showed that concentrations of metals were higher in areas where burning occurred than in control areas. Copper, lead and zinc were particularly prominent, while cadmium presented considerable ecological concern because of its toxic-response characteristics. Some measured concentrations exceeded international soil guideline values, indicating substantial environmental contamination associated with recycling activities.

The significance of these findings becomes even clearer when the different forms of informal recovery are considered. Ohajinwa, van Bodegom, Vijver and Peijnenburg (2018) investigated the effects of informal electronic waste recycling activities on metal concentrations in soils and dust in Lagos, Ibadan and Aba. The study found that metal concentrations at e-waste recycling sites were substantially higher than those at control locations and that burning produced the highest pollution levels, followed by dismantling and repair activities. The authors concluded that informal e-waste recycling constitutes a major source of metal pollution in Nigeria and emphasized the need to strengthen the enforcement of existing regulations.

The implications of such contamination extend beyond the immediate recycling point. Soil functions as an important component of urban ecosystems, supporting vegetation, microbial processes, nutrient cycling and other ecological functions. Heavy-metal accumulation can alter soil quality and affect soil organisms. Jiang et al. (2019), studying an e-waste site at Alaba International Market, found serious heavy-metal contamination and demonstrated that heavy-metal contamination and soil characteristics were associated with changes in soil bacterial community composition and diversity. The study is significant because it demonstrates that informal e-waste activities can affect not only human exposure but also ecological processes occurring within contaminated soils.

The ecological consequences can also involve plants and food chains. Olusegun, Osuntogun and Eluwole (2021) assessed heavy-metal concentrations in soils and plants from electronic-waste dumpsites in Lagos. Their findings showed high concentrations of heavy metals in soils and plants, with some plants acting as accumulators of metals. Comparisons with international soil standards indicated considerable pollution at the e-waste sites. Such findings raise concerns about the movement of contaminants through urban ecological systems and the possibility of exposure through environmental media.

Another important dimension is water contamination. E-waste residues deposited on open land may interact with rainfall and surface runoff. Contaminants can potentially be mobilized through leaching and transported into drainage systems, surface waters or groundwater. Evidence from Alaba has demonstrated the presence of heavy metals in environmental samples around e-waste disposal areas. More recent research continues to identify groundwater contamination as an environmental concern in e-waste locations around Alaba International Market (Kukoyi et al., 2025). Although groundwater contamination requires site-specific assessment, the possibility illustrates how the environmental effects of informal e-waste recovery can extend beyond the physical boundaries of the recycling area.

Air pollution constitutes another hidden environmental cost. Open burning of electrical cables and other materials is often undertaken to remove insulating materials and recover metals. Combustion can release particulate matter, smoke and toxic substances. The WHO (2024) identifies open burning and heating among the most hazardous informal e-waste practices because they can release toxic pollutants into the atmosphere and contaminate air, soil, dust and water. Consequently, an activity that appears to produce only a small amount of smoke at the point of burning may contribute to a broader environmental exposure pathway.

The environmental costs of informal e-waste recovery also have a strong public-health dimension. A systematic review by Parvez et al. (2021), which included 70 epidemiological studies, found evidence that populations living in e-waste-exposed areas may experience elevated levels of heavy metals and persistent organic pollutants. The review also identified particular vulnerability among children and pregnant women and reported associations between e-waste exposure and various biological effects. The WHO (2021) similarly warned that informal e-waste recycling can expose workers, children and surrounding communities to numerous hazardous substances, including lead, mercury, nickel, brominated flame retardants and polycyclic aromatic hydrocarbons.

Evidence from Alaba is particularly concerning. Alabi, Adeoluwa and Bakare (2019) examined blood levels of lead, nickel, cadmium and chromium and DNA damage among teenage scavengers at a major electronic-waste dumpsite in Alaba International Market. The study found significantly higher concentrations of these metals among the exposed teenage scavengers than among the control group. The findings demonstrate that environmental contamination at Alaba can translate into measurable biological exposure among persons engaged in informal recovery activities.

The environmental problem must nevertheless be approached with an appreciation of the socioeconomic role of informal recovery. For many workers, collection, repair, dismantling and recycling of electronic equipment provide income and employment. Informal recyclers often possess practical knowledge concerning the identification, repair and recovery of valuable components. Their activities can also divert materials from conventional waste streams and return metals and components to productive use. Therefore, simply eliminating informal recovery without providing viable alternatives could have negative livelihood consequences.

This creates the central sustainability dilemma underlying the present study. Resource recovery is environmentally beneficial when it is conducted safely and efficiently, but resource recovery becomes environmentally damaging when the recovery process itself creates pollution greater than the environmental benefits of the materials recovered. The sustainability challenge is therefore not merely whether e-waste should be recovered, but how it should be recovered, under what conditions, with what technologies, and with what environmental safeguards.

Urban environmental sustainability requires a balance between economic activity, social welfare and environmental protection. Sustainable urban development is concerned not only with the provision of infrastructure and economic opportunities but also with the capacity of cities to manage waste, protect natural resources and reduce environmental risks. Sustainable Development Goal 11 specifically calls for reducing the adverse per-capita environmental impact of cities, including through improved air quality and municipal waste management. Sustainable Development Goal 12 further emphasizes responsible consumption and production, environmentally sound management of chemicals and wastes throughout their life cycles, and the reduction of waste generation through prevention, reduction, recycling and reuse.

E-waste management is therefore directly connected to urban sustainability. When valuable electronic materials are recovered through environmentally sound processes, recycling can contribute to resource efficiency and circular-economy objectives. Conversely, when recovery involves open burning, indiscriminate dumping and uncontrolled dismantling, it can undermine urban environmental quality. The environmental burden can manifest through contaminated soils, polluted dust, degraded water resources, air pollution and ecological disturbance.

Nigeria has established regulatory mechanisms intended to address these challenges. The National Environmental (Electrical/Electronic Sector) Regulations provide a framework intended to prevent and minimize pollution from electrical and electronic sector activities. The regulations apply to new and used electrical and electronic equipment and are based on a life-cycle approach and principles including reduction, repair, reuse, recycling and recovery. More recently, NESREA lists the National Environmental (Electrical/Electronic Sector) Regulations, S.I. No. 79 of 2022, whose principal thrust is to prevent and minimize pollution from operations and ancillary activities within the electrical and electronic sector.

Nigeria has also promoted Extended Producer Responsibility (EPR), under which producers and other actors within relevant product chains are expected to take responsibility for products at the end of their useful lives. NESREA’s EPR guidance emphasizes that the informal sector plays a major role in Nigerian e-waste management and identifies crude practices such as open burning of cables and breaking of cathode-ray tubes as environmental concerns. The guidance further recognizes that non-valuable fractions are frequently dumped, burned or buried with municipal waste, while emphasizing the potential resource-recovery value of e-waste.

Despite these policy and regulatory developments, a major implementation gap remains between formal environmental objectives and actual practices in informal e-waste recovery environments. The persistence of environmental contamination reported at Alaba suggests that the existence of regulations alone does not guarantee environmentally sustainable recovery practices. The problem may involve inadequate enforcement, limited awareness, lack of appropriate recycling infrastructure, economic pressures, insufficient access to protective equipment and technologies, weak integration of informal recyclers into formal systems, and limited monitoring of environmental quality.

The concept of the hidden environmental cost is therefore central to this study. Informal e-waste recovery can generate visible economic benefits because recovered metals and components have market value. However, some costs are not reflected in the price paid for the recovered materials. Soil contamination, air pollution, water pollution, ecological degradation, waste residues and potential long-term remediation costs may be externalized to workers, neighbouring residents, local authorities and future generations. These externalized costs represent a hidden environmental burden of informal recovery.

Alaba International Market provides an important case through which this contradiction can be examined. The market is simultaneously an economic hub, an electronics-repair centre, a source of employment and a location associated with informal e-waste recovery. Existing scientific studies have established evidence of heavy-metal contamination and ecological risks at or around Alaba. However, continued changes in electronic consumption, repair practices, recycling activities, waste volumes, regulatory arrangements and urban development make it necessary to continually assess how informal recovery practices affect environmental sustainability.

It is against this background that this study examines the hidden environmental cost of informal e-waste recovery and its implications for urban environmental sustainability in Alaba International Market, Lagos State. The study is particularly concerned with the informal recovery practices employed, the environmental consequences associated with these practices, factors that encourage environmentally harmful recovery, awareness and application of environmental safeguards, and the implications of these activities for sustainable urban environmental management.

1.2 Statement of the Problem

The rapid growth of electronic consumption has created a difficult environmental management challenge for urban areas. Electronic devices have relatively short technological and commercial life cycles, while their components may contain substances capable of persisting in the environment. As electronic equipment becomes obsolete, damaged or unwanted, it must be collected, repaired, reused, refurbished, recycled or disposed of appropriately. Where these processes are not adequately organized, e-waste can become a major source of environmental pollution.

Nigeria’s e-waste situation is particularly concerning. The Global E-waste Monitor 2024 estimated that Nigeria generated approximately 497,000 tonnes of e-waste in 2022. This places Nigeria among Africa’s leading e-waste-generating countries and makes it the largest generator in West Africa. At the same time, the country continues to face challenges in establishing comprehensive and environmentally sound collection, recycling and disposal systems. Consequently, a substantial portion of e-waste enters informal collection and recovery networks.

The informal sector is not inherently environmentally harmful. Informal recyclers perform important functions by collecting unwanted electronic equipment, repairing usable products, recovering valuable components and extracting materials that can be reintroduced into productive use. The problem arises when recovery is conducted with crude methods that shift the environmental burden from waste disposal to pollution. Inadequate environmental safeguards can transform an economically useful activity into a source of environmental degradation.

Alaba International Market presents a particularly important manifestation of this problem. The market’s large-scale trade in new, used, repaired and refurbished electronic equipment creates a continuous stream of obsolete and damaged electronic products. Informal actors participate in collection, repair, dismantling and recovery of materials. These activities provide livelihoods and contribute to the circulation of electronic goods, but they also generate residues that require environmentally sound management.

The first major problem is soil contamination. Previous empirical investigations have demonstrated that soils around Alaba’s informal e-waste recycling areas contain elevated concentrations of heavy metals. Isimekhai et al. (2017) found significantly elevated concentrations of several metals at informal e-waste recycling locations, particularly in areas associated with burning. Some measured concentrations of copper, lead and zinc exceeded international guideline values. Similarly, Olusegun et al. (2021) reported high concentrations of heavy metals in soils and plants associated with electronic-waste dumpsites in Lagos.

This is problematic because soil contamination may persist long after the original waste-processing activity has occurred. Heavy metals are not easily destroyed through ordinary environmental processes. They may remain in soil, become mobilized under certain environmental conditions, enter plants or be transported through dust and runoff. Consequently, the environmental consequences of informal e-waste recovery may continue beyond the immediate period during which recycling takes place.

The second major problem concerns air pollution associated with open burning. Informal recyclers may burn insulated wires and other components to recover metals. Although burning may appear to be a quick and inexpensive method of separating valuable materials, it can release smoke, particulate matter and hazardous substances. WHO evidence indicates that open burning and heating are among the most hazardous forms of informal e-waste processing because pollutants can contaminate air, soil, dust and water. The problem is especially important in a densely occupied commercial environment such as Alaba, where workers, traders, customers and nearby residents may potentially share the same environmental space.

The third problem is water and groundwater contamination. E-waste residues left on bare ground may be affected by rainfall and surface runoff. Contaminants can potentially migrate into surrounding environmental media. Previous studies around Alaba have identified heavy metals in water, soil and plant samples, while more recent research has highlighted concerns regarding groundwater contamination in e-waste locations involving Alaba. This creates a potential environmental pathway through which pollution generated at informal recycling sites can affect resources beyond the immediate waste-processing location.

The fourth problem concerns ecological degradation. The environmental consequences of e-waste are not limited to visible litter or human exposure. Contaminated soils can affect plants and microorganisms that perform essential ecosystem functions. Jiang et al. (2019) found that heavy-metal contamination at a Nigerian e-waste site was associated with differences in soil microbial communities. Such findings suggest that informal e-waste recovery can interfere with ecological processes that are not immediately visible to workers or market users.

The fifth problem is the accumulation and improper disposal of non-valuable fractions of e-waste. Informal recovery tends to focus on components that have immediate economic value. Materials with little or no resale value may be abandoned, burned or mixed with conventional waste. NESREA has specifically identified this problem, noting that after valuable materials are recovered, non-valuable fractions may be disposed of in open dumpsites, burned or buried with municipal waste. This creates an environmental management dilemma because the economic incentive that drives recovery may not provide sufficient motivation for environmentally sound management of residual materials.

The sixth problem relates to weak environmental safeguards within informal recovery operations. Formal recycling facilities are generally expected to employ controlled processes, waste handling systems, pollution-control technologies and occupational safety measures. Informal operators, particularly small-scale recyclers, may lack access to such infrastructure. The consequence is that economically marginalized workers may be undertaking activities involving hazardous substances without adequate environmental protection.

The seventh problem concerns the implementation gap between environmental regulations and actual practice. Nigeria has established environmental regulations governing the electrical and electronic sector and has adopted principles such as Extended Producer Responsibility. Nevertheless, empirical studies continue to document substantial contamination at Nigerian e-waste sites. Ohajinwa et al. (2018) reported that metal concentrations at e-waste recycling sites exceeded control-site concentrations and Nigerian guideline values by very large margins and emphasized the need to strengthen enforcement. This raises questions concerning the effectiveness of existing regulatory mechanisms in informal environments.

The eighth problem is that the environmental cost of informal recovery is frequently externalized. Recyclers may earn immediate income from recovered copper, aluminium or other valuable materials, but the costs associated with contaminated soil, polluted air, contaminated water, ecological damage and potential future remediation are rarely included in the market value of recovered materials. The community and public institutions may ultimately bear some of these costs. This creates an imbalance between private economic benefits and collective environmental costs.

The ninth problem concerns limited integration of informal recyclers into sustainable urban waste-management systems. Informal recyclers often operate outside formal waste-management structures even though they perform essential collection and recovery functions. Excluding them from formal systems may make it more difficult to regulate their activities, provide technical training, introduce safer technologies and monitor environmental performance. A sustainable approach requires consideration of how informal actors can be integrated into environmentally responsible circular-economy systems rather than treated solely as environmental offenders.

The tenth problem is the potential long-term public-health burden associated with environmental contamination. Although this study focuses primarily on environmental sustainability rather than clinical health outcomes, the two dimensions are closely connected. Research among teenage scavengers at Alaba found elevated blood concentrations of lead, nickel, cadmium and chromium compared with controls (Alabi et al., 2019). WHO and systematic-review evidence also indicates that exposure to hazardous substances from informal e-waste recycling can have serious consequences, particularly for vulnerable populations. Environmental degradation at e-waste sites therefore cannot be separated completely from broader social and public-health concerns.

Another important problem is the insufficient visibility of environmental costs. The economic benefits of informal e-waste recovery are easily observed: employment is created, used electronics are repaired, reusable components are recovered and valuable metals are sold. In contrast, the environmental costs may be gradual, dispersed and difficult to attribute to a single activity. Soil contamination may accumulate over years; pollutants may move through environmental media; ecological changes may not be immediately visible; and remediation costs may arise much later. This makes the environmental consequences of informal recovery a “hidden” cost.

The situation creates a sustainability contradiction. On one side, informal recovery supports livelihoods and contributes to resource recovery and the circular use of materials. On the other side, unsafe recovery methods can undermine the environmental foundations upon which sustainable urban development depends. If urban environmental sustainability is understood as the capacity of a city to support economic activity and human welfare without degrading the natural environment or compromising future generations, then uncontrolled e-waste recovery presents a significant challenge.

Although several studies have investigated heavy-metal contamination and health risks associated with e-waste activities in Lagos, there remains a need to examine the problem from a broader urban environmental sustainability perspective. Much existing research has concentrated on specific pollutants, soil chemistry, health effects or individual environmental media. While these studies provide valuable scientific evidence, there is a need to connect the environmental consequences of informal recovery with the socioeconomic practices, regulatory conditions, waste-handling behaviour and sustainability implications within the urban market environment.

Furthermore, environmental conditions at e-waste sites can change over time because of changes in electronic products, waste volumes, market activities, environmental regulations and recycling techniques. Earlier findings therefore provide an important baseline but do not eliminate the need for contemporary assessment. The continued identification of e-waste contamination around Alaba indicates that the issue remains relevant to environmental management and requires sustained research attention.

The central problem, therefore, is that informal e-waste recovery at Alaba International Market provides important economic and material-recovery benefits while simultaneously creating environmental costs that may not be adequately recognized, controlled or incorporated into urban environmental management decisions. If these costs remain hidden, urban authorities and other stakeholders may underestimate the environmental burden of informal e-waste recovery and may fail to develop interventions that reconcile livelihood protection, resource recovery and environmental sustainability.

It is consequently necessary to investigate the informal e-waste recovery practices occurring in Alaba International Market, identify their environmental implications, examine factors responsible for environmentally harmful practices, assess awareness and application of environmental safeguards, and determine how informal e-waste recovery affects the prospects for sustainable urban environmental management in Lagos State.

1.3 Aim of the Study

The aim of this study is to examine the hidden environmental cost of informal e-waste recovery and its implications for urban environmental sustainability in Alaba International Market, Lagos State.

1.3.1 Specific Objectives

The study seeks to:

1. identify the major informal e-waste recovery practices carried out in Alaba International Market, Lagos State;
2. examine the environmental consequences associated with informal e-waste recovery activities in the study area;
3. assess the level of awareness of environmental and health risks associated with informal e-waste recovery among relevant actors in Alaba International Market;
4. determine the factors that encourage environmentally harmful informal e-waste recovery practices in the study area.

1.4 Research Questions

The following research questions will guide the study:

1. What are the major informal e-waste recovery practices carried out in Alaba International Market?
2. What environmental consequences are associated with informal e-waste recovery activities in Alaba International Market?
3. What is the level of awareness of environmental and health risks associated with informal e-waste recovery among actors in the study area?
4. What factors encourage environmentally harmful informal e-waste recovery practices in Alaba International Market?

1.5 Research Hypothesis

The following null hypothesis will be tested at the 0.05 level of significance:

H₀: There is no significant relationship between informal e-waste recovery practices and urban environmental sustainability in Alaba International Market, Lagos State.

1.6 Significance of the Study

This study is expected to be significant to environmental policymakers, Lagos State environmental authorities, market associations, informal e-waste recyclers, researchers, urban planners, environmental health practitioners, civil society organizations and the wider public.

Environmental policymakers: The findings may provide evidence for strengthening policies and programmes designed to manage e-waste and reduce environmental pollution. The study may assist policymakers in understanding the practical challenges that affect implementation of e-waste regulations within informal commercial environments.

Lagos State environmental authorities: The study may provide useful information for environmental monitoring, waste-management planning and enforcement activities. Understanding the specific practices responsible for environmental degradation can assist authorities in designing interventions that are more targeted than generalized enforcement.

NESREA and other regulatory agencies: The findings may contribute to discussions concerning the implementation of electrical and electronic sector regulations, Extended Producer Responsibility and environmentally sound recycling. Since Nigeria already possesses regulatory frameworks for e-waste management, evidence concerning implementation challenges may assist regulators in improving compliance mechanisms.

Informal e-waste recyclers: The study is not intended merely to portray informal recyclers as environmental offenders. Instead, it recognizes their economic role and may help identify safer recovery methods that allow them to continue earning livelihoods while reducing environmental risks. The findings may support the development of training programmes, safer technologies, protective equipment and pathways for integrating informal recyclers into formal recycling systems.

Market associations and electronic traders: The study may increase understanding of the environmental implications of e-waste generated through trading, repairing and refurbishing activities. Market associations may use the findings to develop internal waste-management practices and environmental guidelines.

Urban planners: The study may provide useful information concerning the relationship between commercial land use, waste-management infrastructure and environmental quality. It may assist urban planners in considering e-waste management as part of broader sustainable urban-development planning.

Environmental health practitioners: The findings may provide information useful for environmental-risk communication and community education, especially concerning exposure pathways associated with burning, dismantling, dumping and other informal recovery activities.

Researchers and students: The study may contribute to the growing Nigerian literature on e-waste, informal recycling and urban environmental sustainability. It may also serve as a reference for future research examining e-waste contamination, informal-sector livelihoods, environmental governance and circular-economy development.

The general public: The study may increase public awareness of the environmental consequences associated with discarded electronic equipment and encourage more responsible consumption, repair, reuse, collection and disposal practices.

1.7 Scope of the Study

The study focuses on the hidden environmental cost of informal e-waste recovery and its implications for urban environmental sustainability in Alaba International Market, Lagos State.

Geographically, the study is limited to Alaba International Market and its immediate environmental context in Lagos State.

Conceptually, the study focuses on informal e-waste recovery practices, including collection, dismantling, repair-related recovery, sorting, material extraction, burning and disposal of residual electronic waste.

The environmental dimensions examined include:

• soil pollution and contamination;
• air pollution;
• water and drainage contamination;
• improper disposal of residual e-waste;
• environmental degradation;
• ecological implications;
• waste accumulation; and
• implications for sustainable urban environmental management.

The study also considers socioeconomic and institutional factors that influence informal e-waste recovery, including livelihood dependence, economic incentives, awareness, access to recycling infrastructure, environmental regulation, monitoring and enforcement.

The study does not attempt to provide a complete chemical analysis of all pollutants present in the market. Rather, it examines the environmental implications of informal recovery practices from an urban environmental sustainability perspective.

1.8 Delimitation of the Study

The study is deliberately delimited to informal e-waste recovery activities associated with Alaba International Market. It does not cover all electronic markets or e-waste sites in Lagos State.

The study also distinguishes between formal recycling and informal recovery. Formal recycling facilities may employ specialized technologies and environmental controls that differ substantially from the practices of individual collectors, scavengers, repairers and informal material recoverers.

The study focuses on environmental sustainability rather than undertaking a clinical investigation of disease among e-waste workers. Health-related evidence is considered primarily to demonstrate the broader significance of environmental contamination.

1.9 Operational Definition of Terms

Electronic Waste (E-waste): Discarded electrical and electronic equipment, including obsolete, damaged, unwanted or end-of-life electronic devices, components and accessories.

Electrical and Electronic Equipment (EEE): Equipment that depends on electrical currents or electromagnetic fields to function, including devices such as televisions, computers, phones, refrigerators, air conditioners and related equipment.

Informal E-waste Recovery: The collection, sorting, repairing, dismantling, material extraction and recycling of discarded electrical and electronic equipment by individuals or small-scale operators who generally operate outside fully regulated formal recycling facilities.

E-waste Recycling: The process of recovering materials or components from discarded electrical and electronic equipment for reuse or further processing.

E-waste Recovery Practices: Activities undertaken to obtain useful materials or components from discarded electronic equipment, including dismantling, sorting, repairing, stripping, burning and material separation.

Open Burning: The uncontrolled combustion of e-waste materials in the open environment, often undertaken to remove plastics or insulation from wires and recover valuable metals.

Dismantling: The manual separation of electronic equipment into individual components or materials for repair, reuse or recovery.

Heavy Metals: Metallic elements such as lead, cadmium, chromium, nickel, mercury, copper and zinc that may become environmental contaminants when released in excessive concentrations.

Environmental Pollution: The introduction of substances, energy or activities into the environment in quantities capable of causing undesirable changes in air, water, soil or ecological systems.

Environmental Contamination: The presence or accumulation of potentially harmful substances in environmental media such as soil, water, air, dust or biological materials.

Urban Environmental Sustainability: The capacity of an urban area to support economic and social activities while maintaining environmental quality, protecting natural resources, reducing pollution and ensuring that environmental resources remain available for present and future generations.

Hidden Environmental Cost: Environmental damage or resource loss arising from an economic activity that is not fully reflected in the market price or immediately visible to the actors benefiting from that activity.

Informal Recycler: An individual or small-scale operator who collects, repairs, dismantles, sorts or recovers materials from discarded electronic equipment outside a fully formalized and regulated recycling facility.

Environmental Safeguards: Measures, practices, technologies and procedures designed to prevent or minimize environmental pollution and exposure to hazardous substances.

Extended Producer Responsibility (EPR): An environmental policy approach that places responsibility on producers and other relevant actors for products throughout their life cycle, including management at the end of their useful lives.

Circular Economy: An economic system that seeks to minimize waste and maximize the continued use, reuse, repair, refurbishment and recycling of products and materials.

1.10 Organization of the Study

The study is organized into five chapters.

Chapter One presents the introduction to the study. It contains the background to the study, statement of the problem, aim and objectives, research questions, hypothesis, significance, scope, delimitation and operational definitions.

Chapter Two presents the review of related literature. It examines the conceptual literature, theoretical perspectives, empirical studies and identified gaps in existing research on e-waste, informal recovery, environmental pollution and urban environmental sustainability.

Chapter Three presents the research methodology. It discusses the research design, study area, population of the study, sample size, sampling procedure, research instrument, validity and reliability of the instrument, data collection procedure and methods of data analysis.

Chapter Four presents the analysis and interpretation of data obtained from the field. The research questions and hypothesis are addressed using appropriate descriptive and inferential statistical techniques.

Chapter Five presents the summary of findings, conclusion and recommendations. It also highlights the implications of the findings and suggests areas for further research.

Project – The Hidden Environmental Cost of Informal E-Waste Recovery and Its Implications for Urban Environmental Sustainability in Alaba International Market, Lagos State