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This paper proposes a comprehensive conceptual procurement model to enhance sustainability and mitigate climate change impacts within the oil, gas, and energy sectors. The model integrates principles of green procurement, lifecycle analysis, and circular economy to ensure environmentally responsible sourcing and resource utilization. By addressing the significant environmental footprint of these industries, the model aims to provide a structured framework that organizations can adopt to minimize their carbon footprint, promote sustainable practices, and contribute to global climate change goals. Key components include sustainable procurement processes, environmental impact assessment frameworks, supplier sustainability criteria, and resource optimization strategies. Case studies demonstrate the model's applicability in the oil sector and renewable energy projects, highlighting challenges, outcomes, and innovative approaches. The paper concludes with recommendations for future research to refine and validate the model, ensuring its effectiveness and scalability across diverse organizational contexts.
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