Study explores concentrations of microplastics in the Rhine floodplains near Langel in Cologne par Frédéric PELASCINI | 21 Mai 2022 | Actualités Study explores concentrations of microplastics in the Rhine floodplains near Langel in Cologne Microplastics accumulate in the Rhine meadows at Langel-Merkenich / topography and flooding determine local concentrations of particles in the soil EurekAlert!