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[2] PlasticsEurope, Conversio Market & Strategy GmbH, and myCEPPI, “Plastics – the Facts 2017: An Analysis of European Plastics Production, Demand and Waste Data";

[3] Silpa Kaza et al., “What a Waste 2.0 : A Global Snapshot of Solid Waste Management to 2050”;

[4] 2018 Revision of World Urbanization Prospects, Population Division of the UN Department of Economic and Social Affairs (UN DESA).