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Blockchain Model for Tracking Plastic Waste Using Smart Contracts to Reduce Emissions
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Researchers developed a blockchain-based plastic waste tracking system using Hyperledger Fabric and smart contracts to create a transparent, immutable record of waste from generation to final processing, demonstrating the potential to reduce carbon emissions by up to 50% compared to traditional incineration or landfilling methods.
This research focuses on the design and development of a blockchain-based plastic waste tracking system aimed at enhancing transparency, efficiency, and accountability in plastic waste management. The system utilizes Hyperledger Fabric as a permissioned blockchain platform and integrates smart contracts to manage transactions between organizations, including waste generators, collectors, sorting warehouses, and final processing warehouses. This system records each stage of the plastic waste journey, from creation to final processing, in a permanent, transparent, and immutable manner. The testing results demonstrate that the system can accurately record the status and history of waste, manage transfers between organizations, and process plastic waste into recycled products. Moreover, the system shows a significant potential for carbon emission reduction, with an estimated reduction of up to 50% compared to traditional plastic waste management methods, such as incineration or landfilling. The study also explores how the implementation of blockchain can support global efforts in mitigating the environmental impacts of plastic waste. The blockchain-based system also provides real-time monitoring, ensuring that each transaction is verified and recorded immediately, contributing to more effective management. The implementation of smart contracts further guarantees that waste-related activities are executed automatically when predefined conditions are met, reducing administrative overhead. The study also explores how the implementation of blockchain can support global efforts in mitigating the environmental impacts of plastic waste. Ultimately, this system presents a scalable solution that could be adopted in various regions to improve global waste management strategies.
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Researchers surveyed 137 stakeholders in Nairobi to assess how blockchain technology could strengthen Kenya's newly mandatory Extended Producer Responsibility (EPR) regulations for plastic waste, finding that tracking mechanisms, smart contracts for automated compliance, and token-based reward systems are the strongest predictors of improved producer accountability and plastic lifecycle traceability.
Integrated Blockchain and Machine Learning Framework for Polystyrene Waste Traceability
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A blockchain-IoT-ML framework for polystyrene waste management achieved 94.8% predictive accuracy for waste forecasting and 2,847 transactions per second on a custom permissioned blockchain, enabling traceable, data-driven EPS/XPS waste energy recovery. Since expanded polystyrene is a major source of microplastic pollution, transparent digital traceability systems like this could substantially improve accountability and reduce environmental plastic leakage.
Techno-Integrated Waste Management and Circular Economy: An Empirical Analysis from the Indian Context
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India is drowning in trash faster than it can manage it, and this study looks at whether smart tech—like AI, sensors, and blockchain—can help track and recycle waste more effectively. The findings suggest these tools can improve efficiency, but they only work if the country also fixes gaps in infrastructure, policy, and public habits. This matters because uncollected plastic and e-waste don't just pile up in landfills—they break down into microplastics and toxic chemicals that can contaminate water, food, and ultimately end up in our bodies.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.