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Open AccessJournal ArticleDOI

Production, use, and fate of all plastics ever made

TLDR
By identifying and synthesizing dispersed data on production, use, and end-of-life management of polymer resins, synthetic fibers, and additives, this work presents the first global analysis of all mass-produced plastics ever manufactured.
Abstract
Plastics have outgrown most man-made materials and have long been under environmental scrutiny. However, robust global information, particularly about their end-of-life fate, is lacking. By identifying and synthesizing dispersed data on production, use, and end-of-life management of polymer resins, synthetic fibers, and additives, we present the first global analysis of all mass-produced plastics ever manufactured. We estimate that 8300 million metric tons (Mt) as of virgin plastics have been produced to date. As of 2015, approximately 6300 Mt of plastic waste had been generated, around 9% of which had been recycled, 12% was incinerated, and 79% was accumulated in landfills or the natural environment. If current production and waste management trends continue, roughly 12,000 Mt of plastic waste will be in landfills or in the natural environment by 2050.

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What would it take for renewably powered electrosynthesis to displace petrochemical processes

TL;DR: A comparative analysis of electrocatalyst and carbon emissions assessment of CO2 products such as ethylene, ethanol, and carbon monoxide shows that electrocatalytic production has the potential to yield the greatest reduction in carbon emissions, provided that a steady supply of clean electricity is available.
Journal ArticleDOI

Microplastics in freshwaters and drinking water: Critical review and assessment of data quality.

TL;DR: More high quality data is needed on the occurrence of microplastics in drinking water, to better understand potential exposure and to inform human health risk assessments, and there is a significant need to improve quality assurance ofmicroplastic sampling and analysis in water samples.
Journal ArticleDOI

Microplastics as an emerging threat to terrestrial ecosystems

TL;DR: The pervasive microplastic contamination as a potential agent of global change in terrestrial systems is introduced, the physical and chemical nature of the respective observed effects are highlighted, and the broad toxicity of nanoplastics derived from plastic breakdown is discussed.
References
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Journal ArticleDOI

Time-dependent material flow analysis of iron and steel in the UK: Part 2. Scrap generation and recycling

TL;DR: In this paper, the authors present an analysis of the use of iron and steel in the UK and explore how much of the steel is recycled when it becomes obsolete after use, using the theory of residence time distributions used routinely in chemical reaction engineering.
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Municipal solid waste recycling and the significance of informal sector in urban China

TL;DR: It can be concluded that a significant share of recyclables is collected and processed by informal waste workers, equivalent to estimated informal recycling rates of approximately 17–38w/w% of the municipal solid waste generated.
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Component level strategies for exploiting the lifespan of steel in products

TL;DR: In this paper, the authors presented a new simplified framework with which to analyse product failure and showed that the majority of the steel components are underexploited, still functioning when the product is discarded; in particular, the potential lifespan of a steel-rich structure is typically much greater than its actual lifespan.
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Toward Estimating Displaced Primary Production from Recycling: A Case Study of U.S. Aluminum

TL;DR: In this article, a market-based methodology was proposed to estimate actual displacement rates following an increase in recycling or reuse in the U.S. aluminum industry and demonstrated the operation, utility, and challenges of that methodology in the context of the aluminum industry.
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