 The current IGU collaboration is within its Commission on Cold Regions Environments.Coordination of activities on permafrost, soils and periglacial environments of the Antarctic and sub-Antarctic islands is a joint programme with an Expert Group of the Scientific Committee for Antarctic Research (SCAR).Activities related to glaciers and permafrost hazards in the high mountains (GAPHAZ) are a joint activity with the International Union of Geodesy and Geophysics (IUGG) and its newly designated Commission for the Cryospheric Sciences.