Kiwi researchers analysed fresh snow from 19 sites, finding an average concentration of 29 microplastic particles per litre of melted snow. These microplastics most likely come from plastic products used at local scientific research stations, however, this team’s modelling also suggests their origin could have been up to 6,000 km away.
This is a companion discussion topic for the original entry at https://www.sciencemediacentre.co.nz/2022/06/08/first-microplastics-found-in-antarctic-snow-expert-reaction/