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Closed-loop supply chain models with considering the environmental impact
Amir Mohajeri1, Mohammad Fallah2
1Department of Industrial Engineering, Islamic Azad University, Science and Research Branch, Tehran 14778 93855, Iran.
Thescientificworldjournal
|October 14, 2014
Summary
This study integrates green supply chain management using a closed-loop logistics model to balance profitability and environmental goals. It aims to reduce CO2 emissions while optimizing costs and service levels in logistics planning.
Area of Science:
- Environmental Science
- Operations Research
- Logistics Management
Background:
- Growing global concern over climate change and greenhouse gas emissions.
- Increased focus on green supply chain management (GSCM) in the last decade.
- Need to integrate environmental considerations into traditional logistics systems.
Purpose of the Study:
- To develop a comprehensive closed-loop logistics model for GSCM.
- To balance economic objectives (profitability, cost reduction, service level) with ecological goals (CO2 emission reduction).
- To analyze the impact of regulations on transportation choices and emissions.
Main Methods:
- Application of a closed-loop logistics concept (recycling, reuse, recovery).
- Formulation of a comprehensive closed-loop model for logistics planning.
- Development and analysis of three scenarios with varying regulations.
- Numerical experiments and comparative analysis for model validation.
Main Results:
- The closed-loop model successfully integrates environmental and economic objectives.
- Demonstrated reduction in CO2 emissions through optimized logistics planning.
- Analysis of how different regulations influence transport mode selection and overall emissions.
- Validation of the model's effectiveness through numerical experiments.
Conclusions:
- Closed-loop logistics is an effective strategy for achieving sustainable supply chain management.
- The model provides a framework for optimizing logistics to meet both profitability and environmental targets.
- Regulatory frameworks can significantly influence the environmental performance of supply chains.
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