Abstract
Construction and demolition (C&D) waste management is a pressing environmental concern in developing countries like Nigeria, where inadequate infrastructure and weak regulatory enforcement create significant challenges. This study provides a detailed analysis of C&D waste management practices in Nigeria, identifying key factors influencing these practices and major barriers to sustainability. Data were gathered from surveys and interviews with 150 stakeholders, including contractors, engineers, policymakers, and waste managers. The data analysis involved both quantitative and qualitative techniques to provide a comprehensive understanding of C&D waste management practices and challenges. The findings reveal a heavy reliance on landfills, driven by high costs, insufficient recycling facilities, and economic disincentives for sustainable practices. A critical gap was noted between the awareness of existing waste management regulations and their enforcement, indicating a need for stronger regulatory frameworks and more consistent enforcement. The multiple regression analysis demonstrated that regulatory frameworks, socio-economic factors, and awareness and education levels significantly affect C&D waste management practices, highlighting the importance of these factors in promoting sustainable practices. This study emphasizes the need for an integrated approach to improve C&D waste management in Nigeria, advocating for enhanced regulatory measures, infrastructure development, and continuous education and training programs. These findings offer valuable insights for policymakers and industry stakeholders, suggesting targeted strategies to overcome the identified barriers and foster more sustainable waste management practices. Future research should address underrepresented regions to ensure comprehensive and equitable improvements nationwide, ultimately supporting environmental sustainability and economic growth.
Published Version
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