Unsustainable use of the oceans and their resources leads to severe problems, like depletion of fish stocks, biodiversity loss, habitat degradation and increased pollution, among other negative impacts. With a scoping study, awarded by the European Environment Agency (EEA), Ecologic Institute, together with Institute for European Environmental Policy (IEEP), analyses the potential of the blue bioeconomy to become more sustainable by transforming to more sustainable fisheries and aquaculture.