SYNCHRONY (Synchronous Southern Ocean Observatory) is a Horizon Europe research and innovation project dedicated to strengthening our understanding of Antarctica and the Southern Ocean—one of the most important yet least observed regions of the Earth system. The Southern Ocean plays a vital role
in regulating the global climate by absorbing excess heat and carbon dioxide, supporting unique marine ecosystems, and influencing sea level. However, rapid environmental change and growing human pressures are placing these critical systems at increasing risk.

Bringing together leading European and international research organisations, SYNCHRONY will establish a robust, internationally coordinated Southern Ocean observing system for long-term climate and ecosystem monitoring. By combining cutting-edge observations with advanced modelling, artificial intelligence, and interoperable data infrastructures, the project will improve our ability to detect change, understand complex ocean–ice–atmosphere interactions, and develop reliable indicators for climate and biodiversity.
SYNCHRONY will also strengthen international collaboration, promote open and FAIR data, and invest in training and capacity building to ensure the long-term sustainability of Antarctic observations. By making essential datasets more accessible and supporting major European and global initiatives, the project will provide the scientific evidence needed for informed decision-making, sustainable Antarctic governance, and effective climate action. In doing so, SYNCHRONY will contribute directly to the European Green Deal, the UN 2030 Agenda, and global efforts to safeguard our planet’s future.