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Circular Plastics Economy: Redesigning Technology and Reimagining Society
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This book examines the concept of a circular plastics economy, arguing that technical redesign of materials must be paired with societal transformation to address plastic waste at scale. The authors critique current approaches and propose a more integrated vision combining innovation with behavioral and governance change.
The UN Environment Programme has identified plastic waste as one of the urgent challenges of the 21st century and has set 2024 as the target date for the drafting of an international legally binding agreement on plastic pollution. While the concern for plastic pollution is justified, a workable solution that considers both the role that plastics play in society and the economy, and the scientific and technological challenges involved, will take a major global effort. The six thermoplastics that are most widely used today were not designed to be recycled. Likewise, over 10,000 chemical additives in plastics were not tested for their health and environmental safety. The complexity of plastic waste makes their effective management very difficult and uneconomic. A new system with two types of plastics is proposed: circular plastics that can be chemically reprocessed, and bio-based plastics that are designed for single-use and are biodegradable. This will require R&D into new plastics, as well as new standards and regulations. At the same time, R&D into the conversion of our current plastic waste into environmentally safe products must be undertaken. These will require a multi-sectoral approach which assigns responsibility to all sectors. Industry should institute extended producer responsibility and develop circular plastics. Society should adopt extended consumer responsibility. Government should replace its single-minded focus on GDP as the sole measure of development with the more holistic UN Sustainable Development Goals. This transition will not happen if it is seen only as a technological challenge. This transition will require a multi-sectoral approach which assigns responsibility to all sectors of society. We will not be able to reimagine plastics if we do not reimagine society.
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Plastics in the Circular Economy
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This book examines the role of plastics in the circular economy, reviewing how the current linear plastics economy generates environmental problems including microplastic pollution from fossil oil use and unmanaged plastic waste. The authors assess circular economy strategies including recycling, biodegradable alternatives, and design for disassembly as pathways to maintain the benefits of plastics while reducing their environmental footprint.
System innovation and life cycle thinking in packaging value chain: the circularity of plastics.
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This paper examines the role of circular economy principles in reducing plastic packaging waste, noting that despite existing recycling systems, plastics remain pervasive environmental contaminants. The authors argue that redesigning packaging systems for recyclability and reducing over-packaging are essential steps to address microplastic pollution at its source.
Circular Economy Approaches towards Plastic Waste Management
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This review paper looks at how a "circular economy" approach—reusing, recycling, and redesigning plastic products instead of just tossing them—could cut down on plastic waste piling up in landfills and oceans. Less plastic waste means less of it breaking down into microplastics that contaminate our water, soil, and food supply, which is a growing concern for human health. The paper finds that combining better recycling technology, smart tracking tools, and stronger government policies works best, but notes that high costs and poor waste-sorting habits are still major roadblocks to making this work at scale.
Circular Economy Approaches towards Plastic Waste Management
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This review paper looks at how a "circular economy" — reusing, recycling, and redesigning products instead of just tossing them — could tackle our massive plastic waste problem, which pollutes water, soil, and food chains and can lead to microplastics ending up in what we eat and drink. The research finds that combining better recycling technology, smart tracking tools, and stronger government policies could meaningfully cut plastic pollution, but only if things like poor recycling infrastructure and low public participation are also fixed. For consumers, this matters because less plastic waste in the environment means less contamination in our water, soil, and food supply over time.
Plastic circularity: Challenges, opportunities, and future pathways
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This review examines the barriers to a circular plastic economy, concluding that mechanical recycling alone is insufficient and nearing its technical limits, while advanced methods such as chemical depolymerization and dissolution recycling face high costs and market underdevelopment, requiring coordinated regulatory, design, and infrastructure changes to close the recycling gap.
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