Wednesday, 05 August 2026
We, the Scientific Steering Group of the International Ocean Carbon Coordination Project of the Scientific Committee on Oceanic Research (SCOR) and the Intergovernmental Oceanographic Commission (IOC) of UNESCO, and the Biogeochemistry Expert Panel of the Global Ocean Observing System (GOOS), recognise the urgent need to secure a resilient, sustainable, and globally coordinated supply of certified reference materials for measurements of the seawater carbonate system.