MARP3 MARine Plastic Pollution in the Arctic: origin, status, costs and incentives for Prevention. The goal of this project is to strengthen the knowledge base on marine litter in the Barents Sea. This is done by providing relevant research and knowledge to raise awareness and recommend methods to maintain a sustainable human activity contributing to less marine littering. Project leader is Norut and SALT holds the responsibility for a workshop on sources to marine litter on Svalbard and a workshop with stakeholders -to reduce marine littering in this area. SALT has also contributed in publishing scientific papers; this one is on sources to marine litter in Norway.