COVID litter: we mapped discarded masks and gloves in 11 countries with the help of citizen science

Across the 11 countries in our study there was an almost 9,000% increase in masks as a proportion of all litter Image: Unsplash/ Mika Baumeister

Ian O. Williamson

Dean of the Paul Merage School of Business, University of California, Irvine

Keiron Roberts

Lecturer in Sustainability and the Built Environment, University of Portsmouth

Simon Kolstoe

Senior Lecturer in Evidence Based Healthcare and University Ethics Advisor, University of Portsmouth


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In this mosaic, each polygon depicts a piece of mask or glove litter documented through Litterati. Image: Keiron Roberts


How has the Forum navigated the global response to COVID-19?

The 11 countries included were France, Germany, Belgium, the Netherlands, Spain, the UK, Sweden, the US, Canada, Australia and New Zealand. Image: Nature Sustainability

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COVID-19Plastics and the EnvironmentFuture of the Environment


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