Marine litter has increasingly been recognised as a global concern and a huge and complex environmental, economic and social challengeas it has been observed in all marine and coastal habitats, from beaches to the deep sea, across all oceans and in the most remote locations. Given the harm it causes to marine wildlife, coastal communities, ecosystems and maritime activities, and the effects it has on economies, human health and safety, marine littering is a problemthat must be tackled from different angles. This webpage presents the key facts, reports, networks and other relevant information on marine litter in the Baltic Sea.