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The world produces around 350 million tonnes of plastic waste each year. Estimates vary, but recent high-quality studies suggest that between 1 and 2 million tonnes of plastic enter the oceans annually. That means 0.5% of plastic waste ends up in the ocean.
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Mismanaged plastic waste is waste which is inadequately...
- Plastic Waste Generation
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This study aims to present an overview of plastics degradation pathways in the environment and to summarize current knowledge about degradation rates for different types of commodity plastics under various environmental conditions.
5 de feb. de 2020 · Here, we report a data-driven approach to elucidate degradation trends of plastic debris by linking abiotic and biotic degradation behavior in seawater with physical properties and...
11 de nov. de 2019 · This Perspective summarizes the existing literature on environmental degradation rates and pathways for the major types of thermoplastic polymers. A metric to harmonize disparate types of measurements, the specific surface degradation rate (SSDR), is implemented and used to extrapolate half-lives.
7 de dic. de 2022 · For the sensitivity analysis, we assumed the highest GHG emission rate of degrading plastics reported in ref. 49, which was for aged, low-density polyethylene under direct solar radiation.
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4 de mar. de 2020 · When it comes to the time for a plastics material to degrade, the shape of the material in question matters--a lot; the same 2.75g of plastics may take less than 2 years (for thin film with constant area) or over 1,400 years (for bead with shrinking radius) to degrade, depending on its shape (Fig. 3).
