Assessing macroplastic debris collected from eight diverse river systems across four continents: Insights from synchronous three-year community-led research efforts

Chase W. Brewster; Molly R. Morse; Robert J. Fournier; Lucas Joseph; Britta R. Baechler; Hannah De Frond; Thaine Herman Assumpcao; A. Kita Pritasari; Yunisa Zahrah; Gulontam Situmorang; Anssi Mikola; Nicole Becerra; José Pérez; Inty Grønneberg; Alvaro Quiros; Mirei Endara de Heras; Sandy Watemberg; Clifford Okoth; Martina Sikawa; Moses Okoth; James Scott; Ma del Rosario Norzagaray Román; Fay Crevoshay-Engelmayer; Angela Kemsley; Vien Tran; Sandra Whitehouse; Ho Thi Yen Thu; Stephanie Ritchie; Dominik Haertl; Michael McCarthy; Caroline Mahfood; Douglas J. McCauley