6国际环境法中心(CIEL),f uling p lastics:f ossils,p lastics和p etrochemical,f eedstocks 1(2017),https://www.ciel.ciel.org/wp/wp-content/wp-content/uplos-2017/2017/2017/29/flastic-frastics-frastics-frastics-frastics-frostics-frostics-frostics-frostss.s.-frostics-frostss.s.s.-frostss.s.s.-frostss.s.s.-fosss.s.-fosss.s.plastss.s.plasts.s.s.s.----- 。7塑料教授,塑料类型:有多少种塑料?, Plastics Make it Possible (Jan. 18, 2012), available at https://web.archive.org/web/20220611222514/https://www.plasticsmakeitpossible.com/about- plastics/types-of-plastics/professor-plastics-how-many-types-of-plastics-are-there/ (archived June 11,2022)。8美国EPA,美国回收系统,https://www.epa.gov/circulareconomy/us-recycling-system(“在美国,回收是收集和加工材料的过程(否则将作为垃圾丢弃)并将其再制造为新产品。”)。