Joint collaboration on exchange of knowledge on methodologies, status for monitoring and assessment strategies as well as available data in the Nordic countries is a necessary element in this process. Monitoring studies of marine litter and the beach surveys demonstrate that it comprises of various constituents such as plastics, metals, glass, ceramics, rubber, processed wood, clothing, paper etc. ( The review of literature and studies on marine litter, also called marine debris, demonstrates that plastic debris comprise most of the marine litter worldwide (Aniansson etal.