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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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Chemically recyclable polymer materials: polymerization and depolymerization cycles

Guangqiang Xu, +1 more
- 01 Jan 2022 - 
TL;DR: The design and synthesis of chemically recyclable polymers, which can be reutilized as their starting monomers or new value-added chemicals, have provided a practical approach to address the end-of-use problem as discussed by the authors .
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Chemical and Biochemical Engineering Approaches in Manufacturing Polyhydroxyalkanoate (PHA) Biopolyesters of Tailored Structure with Focus on the Diversity of Building Blocks

TL;DR: It is shown how microbial strain selection, sophisticated genetic strain engineering based on synthetic biology approaches, advanced feeding strategies, and smart process engineering can be implemented to generate PHA of tailored monomeric composition, microstructure, molar mass, andmolar mass distribution.
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Toward Green Atom Transfer Radical Polymerization: Current Status and Future Challenges

TL;DR: In this paper , a review on the relation between reversible deactivation radical polymerization (RDRP) and the 12 principles of green chemistry is presented, discussing the environmental and/or health issues and the challenges that remain to be overcome.
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An unintended challenge of microplastic pollution in the urban surface water system of Lahore, Pakistan

TL;DR: This study is the first investigation to highlight the microplastics (MPs) pollution from the freshwater (Ravi River) located in the predominant urban center, i.e., Lahore, Pakistan and the chemical composition analysis showed that most of the fibers, fragments, and beads were polyethylene while the sheets were composed of polypropylene.
References
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Journal ArticleDOI

Plastic waste inputs from land into the ocean

TL;DR: This work combines available data on solid waste with a model that uses population density and economic status to estimate the amount of land-based plastic waste entering the ocean, which is estimated to be 275 million metric tons.
Journal ArticleDOI

Accumulation and fragmentation of plastic debris in global environments.

TL;DR: Global plastics production and the accumulation of plastic waste are documented, showing that trends in mega- and macro-plastic accumulation rates are no longer uniformly increasing and that the average size of plastic particles in the environment seems to be decreasing.

What a Waste : A Global Review of Solid Waste Management

TL;DR: In this paper, the authors estimate that the amount of municipal solid waste (MSW) generated by urban populations is growing even faster than the rate of urbanization and that by 2025 this will likely increase to 4.3 billion urban residents.
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What are the current trends in the production and consumption of plastics?

Current trends show 8300 million metric tons of virgin plastics produced, with 6300 million metric tons of plastic waste generated by 2015. Only 9% recycled, 12% incinerated, and 79% landfilled or in the environment.