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Decision: Addressing the toxic chemicals problem in plastics recycling — R1/PR10
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This policy decision paper argues that plastic recycling cannot be considered safe until hazardous chemical transparency is addressed, proposing five strategies including improved traceability, group-based chemical regulation, and monitoring to ensure recycled materials do not reintroduce toxic substances into the supply chain.
Ongoing policy negotiations, such as the negotiations for a future global plastics treaty, include calls for increased recycling of plastics. However, before recycling of plastics can be considered a safe practice, the flaws in today’s systems must be addressed. Plastics contain a vast range of chemicals, including monomers, polymers, processing agents, fillers, antioxidants, plasticizers, pigments, microbiocides and stabilizers. The amounts and types of chemicals in plastics products vary, and there are little requirements for transparency and reporting. Additionally, they are inherently contaminated with reaction by-products and other nonintentionally added substances (NIASs). As the chemical composition of plastics wastes is largely unknown, and many plastics chemicals are hazardous, they therefore hinder safe recycling since recyclers are not able to exclude materials that contain hazardous chemicals. To address this problem, we suggest the following policy strategies: 1) improved reporting, transparency and traceability of chemicals in plastics throughout their full life cycle; 2) chemical simplification and group-based approaches to regulating hazardous chemicals; 3) chemical monitoring, testing and quality control; 4) economic incentives that follow the waste hierarchy; and 5) support for a just transition to protect people, including waste pickers, impacted throughout the plastics life cycle.
More Papers Like This
Recommendation: Addressing the toxic chemicals problem in plastics recycling — R0/PR4
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This policy recommendation argues that safe plastics recycling requires addressing the widespread presence of hazardous chemicals in plastic waste, which are poorly tracked across the supply chain. It outlines five strategies including chemical transparency, simplified hazard groupings, quality control testing, economic incentives, and protections for workers in the waste sector.
Recommendation: Addressing the toxic chemicals problem in plastics recycling — R1/PR9
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This policy recommendation paper outlines five strategies to address the toxic chemical problem in plastics recycling, including improved reporting and traceability of chemicals throughout the plastics lifecycle, group-based hazardous chemical regulation, and economic incentives aligned with the waste hierarchy to support safe and just recycling systems.
Review: Addressing the toxic chemicals problem in plastics recycling — R1/PR8
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This review paper examines why plastics recycling poses chemical safety risks, identifying that the largely unknown and hazardous chemical composition of plastic waste — including monomers, plasticizers, and nonintentionally added substances — prevents recyclers from safely excluding contaminated materials, and outlines policy interventions needed to address this gap.
Review: Addressing the toxic chemicals problem in plastics recycling — R0/PR3
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This review highlights critical safety barriers to plastics recycling, noting that plastics contain thousands of hazardous chemicals whose composition is largely undisclosed and unmonitored. Researchers propose five policy strategies—including improved chemical transparency, group-based hazard regulation, and quality monitoring—to make plastics recycling safe in the context of global treaty negotiations.
Review: Addressing the toxic chemicals problem in plastics recycling — R0/PR2
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This review identifies hazardous chemical contamination as a fundamental obstacle to safe plastics recycling, arguing that the unknown and complex chemical composition of plastic waste prevents effective quality assurance. The authors recommend policy reforms including full lifecycle chemical transparency, group-based regulation of hazardous substances, robust monitoring systems, and economic incentives aligned with the waste hierarchy.
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