4.7 Article

On the use of household expenditure surveys to monitor mismanaged plastic waste from food packaging in low- and middle-income countries

期刊

ENVIRONMENTAL RESEARCH LETTERS
卷 17, 期 12, 页码 -

出版社

IOP Publishing Ltd
DOI: 10.1088/1748-9326/aca623

关键词

domestic waste; food consumption; household expenditure survey; low and middle income countries; mismanaged plastic waste

资金

  1. UKRI Collective Fund award via the Global Challenges Research Fund [ES/T008121/1]
  2. UK Economic and Social Research Council (ESRC)

向作者/读者索取更多资源

The substantial increase in plastic production has led to a proliferation of plastics in the environment, causing plastic deposition on the seabed and ingestion by marine fauna. Monitoring mismanaged plastic waste from household consumption is urgently needed. Previous household expenditure surveys have quantified mismanaged plastic waste from packaged water consumption, but not from other products. In this study, the researchers utilized two household expenditure surveys to quantify mismanaged plastic waste from cooking oil consumption in urban Greater Accra, Ghana, and all cities nationally in Kenya. The results showed that packaged water consumption generates more plastic waste than oil packaging in Greater Accra, while oil packaging generates more plastic waste than packaged water in urban Kenya. The study concludes that expenditure surveys have ample potential to be used internationally to quantify mismanaged plastic waste from households, although uncertainties in waste estimates need to be considered.
Background: substantial increases in plastic production have resulted in plastics proliferating of in the environment, with subsequent seabed plastic deposition and ingestion by marine fauna. There is an urgent need to monitor mismanaged plastic waste from household consumption. Household expenditure survey analysis has quantified mismanaged plastic waste generated from household packaged (bottled or bagged) water consumption, but not from consumption of other products. Methods: to evaluate whether household expenditure surveys can quantify mismanaged waste from other widely consumed commodities, we quantify mismanaged plastic waste from the domestic consumption of cooking oil alongside packaged water in urban Greater Accra, Ghana, and all cities nationally in Kenya using two household expenditure surveys. Results: household survey-derived estimates indicate packaged water consumption generates considerably more plastic waste than oil packaging in Greater Accra, whereas oil packaging generates more plastic waste than packaged water in urban Kenya. Conclusion: by successfully transferring a survey analysis protocol from packaged water to cooking oil, we conclude that there is ample potential for expenditure surveys to be used internationally to quantify mismanaged plastic waste from households. However, uncertainties affecting mismanaged waste estimates need to be accounted for.

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