The Global Coral Reef Monitoring Network (GCRMN) is the world’s premier coral reef data network, with a proven track record of providing authoritative analysis on the health of the world’s coral reefs to inform sustainable development. GCRMN engages scientists, reef managers and other stakeholders in a network tracking coral reef status and trends. By reporting on findings at global and regional levels, GCRMN informs policy as well as the public of environmental change and its implications.