Evaluating the carbon footprint of WEEE management in the UK

Abstract

The UK produces an estimated 2 Mt of waste electrical and electronic equipment (WEEE) annually and the management of this waste has become a foremost environmental issue in the UK. Whilst the collection, transportation and treatment of WEEE contributes to climate change due to its considerable energy and material requirements, the effective recovery and reuse or recycling of WEEE can contribute towards a net climate benefit. Here, we present a combined material flow analysis and carbon footprint approach (based on a bespoke calculator tool) for quantifying the flows of WEEE through a national waste management system and evaluating their potential climate impacts. We apply this approach to analyse the WEEE management system for the UK from 2010-2030 using prospective scenario analysis and assess the carbon footprint of their management pathways. Reuse was identified as the most favourable end-of-life management option in terms of potential climate impact, followed by recycling, with landfill identified as being the least favourable option. Overall, current end-of-life management practices for WEEE in the UK were found to result in a net positive (i.e. beneficial) climatic effect, although this saving was found to reduce when WEEE recycled as non-obligated WEEE was not included. Overall, we recommend that future national policies should focus on formalising indirect WEEE collection pathways to help increase overall collection rates and, thus, reuse and recycling activities.

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ORCID for Ian Williams: orcid.org/0000-0002-0121-1219

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