Microplastics pollution of terrestrial and marine environmental compartments is an issue of concern worldwide, but information on the key sources, pathways, distribution and impacts is still scarce in many cases, fragmentary at best and typically difficult to compare owing to a lack of harmonisation...

Wastewater treatment plants (WWTPs) are a focal point for the removal of microplastic (MP) particles before they are discharged into aquatic environments. WWTPs are capable of removing substantial quantities of larger MP particles but are inefficient in removing particles with any one dimension of...