What potential does the EU Single-Use Plastics Directive have for reducing plastic pollution at coastlines and riversides? An evaluation based on citizen science data - Tim Kiessling; Mandy Hinzmann; Linda Mederake; Sinja Dittmann; Dennis Brennecke; Marianne Böhm-Beck; Katrin Knickmeier; Martin Thiel (Waste Management, 2023)