The ECO Magazine released its special issue on UN Decade of Ocean Science for Sustainable Development 2021 – 2030 (Ocean Decade), released in partnership with the IOC-UNESCO. EU4OceanObs is a proud sponsor of this important issue, which highlights on-going initiatives, innovative solutions, and debates across the globe contributing to each of seven societal outcomes of the Ocean Decade. This issue also features an article on the unprecedented challenges of Sargassum in the Atlantic Basin and the presentation of the Sargassum Information Hub (p. 138) by the GEO Blue Planet EU coordinator supported by EU4OceanObs. To access this issue, click here.