The Intergovernmental Panel on Climate Change

World Climate Research Programme - Climate Variability and Predictability (CLIVAR)

United States Global Research Program (formerly United States Climate Change Science Program)

World Meteorological Organization

The United States Department of Energy Climate Change Prediction Program is one of the sponsors of the IDAG group:

The National Oceanic and Atmospheric Administration's Office of Oceanic and Atmospheric Research also sponsors the IDAG group research: