灵活、稳固还低碳，你让塑料怎么办？

从乙烯到聚乙烯，是人类的重大发明。
人类终于制造出来了梦寐以求的东西，既灵活造型、又坚固耐用。
阿西莫夫的评价是：“很轻、干净，不易破损、防水防腐。”

塑料其实是聚乙烯（PE）、聚丙烯（PP）、聚氯乙烯（PVC）等的统称，我们这里就指聚乙烯。
人类还能找到比塑料更完美的人造产品吗？

00:20 塑料的普及与问题
01:53 塑料污染的严重性
04:47 塑料的低碳转型

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太平洋上最大的塑料垃圾聚集区，面积达 160 万平方公里，相当于法国面积的三倍。NOAA (2014), The Global Plastic Breakdown: How Microplastics are Shredding Ocean Health

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Danopoulos E, Jenner L C, Twiddy M, et al. Microplastic contamination of seafood intended for human consumption: a systematic review and meta-analysis[J]. Environmental Health Perspectives, 2020, 128(12): 126002.

Elhacham E, Ben-Uri L, Grozovski J, et al. Global human-made mass exceeds all living biomass[J]. Nature, 2020, 588(7838): 442-444.

Zheng J, Suh S. Strategies to reduce the global carbon footprint of plastics[J]. Nature climate change, 2019, 9(5): 374-378.

OECD. Global plastics outlook: Economic drivers, environmental impacts and policy options[M]. OECD Publishing, 2022.

Walker S, Rothman R. Life cycle assessment of bio-based and fossil-based plastic: A review[J]. Journal of Cleaner Production, 2020, 261: 121158.