The Hub is jointly organized by the GEO Blue Planet, IOCARIBE of IOC-UNESCO, AtlantOS, and the Atlantic International Research (AIR) Center, in collaboration with several partners. nformation about Sargassum in the Tropical Atlantic. The Hub provides information about: what sargassum is and why it is important; monitoring and forecasting of sargassum in the tropical Atlantic; management of sargassum; ongoing research, upcoming and past events and sargassum news.