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Controversy over antibacterial silver: implications for environmental and sustainability assessments

Artikel i vetenskaplig tidskrift
Författare Max Boholm
Rickard Arvidsson
Publicerad i Journal of Cleaner Production
Volym 68
Sidor 135-143
ISSN 0959-6526
Publiceringsår 2014
Publicerad vid Institutionen för globala studier
Sidor 135-143
Språk en
Länkar dx.doi.org/10.1016/j.jclepro.2013.1...
Ämnesord Argumentation; Content analysis; Environmental assessment; Nanosilver; Risk; Sustainability assessment
Ämneskategorier Miljövetenskap, Nanoteknik, Kommunikationsvetenskap, Empirisk konfliktforskning, Retorik

Sammanfattning

The potential risks and benefits of using silver, especially nanosilver, as an antibacterial agent in consumer and healthcare products are under debate globally. Using content analysis of texts from newspaper and TV, government agencies, municipalities, government and parliament, non-governmental organizations, and companies, we analyze the argumentation in the Swedish public controversy over antibacterial silver and relate the findings to environmental and sustainability assessments.We conclude that silver is regarded as either beneficial or harmful in relation to four main values: the environment, health, sewage treatment, and product effectiveness. Various arguments are used to support positive and negative evaluations of silver, revealing several contradictory reasons for considering silver beneficial or harmful. Current environmental and sustainability assessments (i.e. substance flow analysis, risk analysis, multi-criteria analysis, and lifecycle assessment) cover many of the concerns raised in the public controversy over antibacterial silver and can therefore inform the debate regarding its toxicity, emissions, and environmental impact. However, not all concerns raised in the public controversy are covered by current environmental and sustainability assessments, most notably, concerns over public health and bacterial resistance issues are not paid full attention. For future environmental and sustainability assessments to make an even more significant societal contribution and to inform consumers and decision-makers about concerns articulated in the public debate, a wider range of issues concerning antibacterial silver needs to be considered through a unified framework.

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