The sources and impact of sea-based marine litter form the focus of a new report by the Group of Experts on the Scientific Aspects of Marine Environmental Protection (GESAMP), an advisory body to the United Nations-sponsored by ten UN entities including IMO*. The report, which can be downloaded here, outlines the various sources of marine litter and the impact and assesses the current availability of data and identifies knowledge gaps for the main categories of sea-based sources of marine...