Key issues for bio-based, biodegradable and compostable plastics governance.

Key issues for bio-based, biodegradable and compostable plastics governance.
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生物基、可生物降解和可堆肥塑料治理的关键问题。

DOI:
10.1016/j.jenvman.2022.116074
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发表时间:
2022
影响因子:
8.7
通讯作者:
Nazareth MC
Nazareth MC
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Nazareth MC

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在全球应对塑料污染的努力中,在过去十年中,替代材料的逐步替代得到了加强。我们确定了五个利益相关者及其各自在生物基、可生物降解和可堆肥塑料(BBCP)链中的关键参与,这导致了这些材料治理的几个缺陷。消费者对生物降解概念的普遍不熟悉导致了错误的购买决定和处理做法,以及可能的乱扔垃圾行为。与此同时,商店和制造商采用的“绿色清洗”做法有助于传播有关塑料消费的错误决定。由于缺乏关于乱扔垃圾影响的核证标准,包括对持久性和毒性的评估,也包括用生物可降解塑料制成的垃圾的核证标准,这些问题进一步恶化。”此外,尽管这种替代聚合物最初被认为是减少塑料污染的一种策略,但在不同的政治尺度上几乎不存在具体的监管框架,这可能会使它们成为问题的相关部分。因此,治理系统和管理战略需要将BBCP作为潜在危险废物纳入常规塑料。
Among global efforts facing plastic pollution, their gradual replacement with alternative materials has gained strength during the last decade. We identified five stakeholders and their respective key participation in the chain of bio-based, biodegradable and compostable plastics (BBCP), which have contributed to several flaws on governance of these materials. The widespread unfamiliarity of the consumers about biodegradability concepts has been leading to misguided purchase decisions and disposal practices, along with possible littering behavior. Simultaneously, the adoption of greenwashing practices by stores and manufacturers contribute to disseminating misguided decisions on plastic consumption. Such issues are further aggravated by the lack of certification standards concerning the impact of littering, including the assessment of persistency and toxicity, also covering those made with biodegradable plastics.”. Moreover, even though such alternative polymers were originally conceived as a strategy to minimize plastics pollution, the almost inexistence of specific regulatory frameworks in different political scales may convert them in a relevant part of the problem. Therefore, the governance systems and management strategies need to incorporate BBCP as potentially hazardous waste as they do for conventional plastics.
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