International Association of Geodesy (IAG)
International Association of Cryospheric Sciences (IACS)
International Association of Seismology and Physics of the Earth’s Interior (IASPEI)
International Association of Meteorology and Atmospheric Sciences (IAMAS)
International Association of Volcanology and Chemistry of the Earth’s Interior (IAVCEI)
International Association of Hydrological Sciences (IAHS)
International Association for the Physical Sciences of the Oceans (IAPSO)
International Association of Geomagnetism and Aeronomy (IAGA)