IUGG wakhala membala kuyambira 1922.
International Union of Geodesy and Geophysics (IUGG) inakhazikitsidwa mu 1919. Zolinga zake ndi kulimbikitsa ndi kugwirizanitsa maphunziro akuthupi, mankhwala ndi masamu a Dziko Lapansi ndi chilengedwe chake mumlengalenga.
Mgwirizanowu ndi bungwe la mabungwe asanu ndi atatu odziyimira pawokha, aliyense ali ndi mitu yosiyanasiyana kapena mitu yomwe ili mkati mwazochitika zonse za Union ndipo iliyonse ili ndi kagawo kakang'ono.
Mabungwewa amaphatikiza maphunziro asayansi a mawonekedwe a Dziko Lapansi, mphamvu yokoka ndi maginito, mphamvu za dziko lapansi lonse ndi zigawo zake, kapangidwe ka dziko lapansi, kapangidwe kake ndi tectonics, kubadwa kwa magmas, volcanism ndi miyala. , kuzungulira kwa hydrological kuphatikiza chipale chofewa ndi ayezi, mawonekedwe onse am'nyanja, mlengalenga, ionosphere, magnetosphere ndi ubale wapadziko lapansi, ndi mavuto ofanana ndi Mwezi ndi mapulaneti ena.
IUGG sinadzipatulire kokha ku kafukufuku wa sayansi wa Dziko Lapansi komanso kugwiritsa ntchito chidziwitso chopezedwa ndi maphunziro oterowo pazosowa za anthu, monga machitidwe a chidziwitso cha malo, kusintha kwa nyengo, ubwino wa madzi, ndi kuchepetsa zotsatira za ngozi zachilengedwe.
Union imathandizira ndi IUGS International Lithosphere Program. IUGG imathandizira ku Makomiti Asayansi a ISC angapo, imagwira ntchito ndi UNESCO pofufuza zamadzi ndi masoka achilengedwe, ndipo imagwirizana ndi World Meteorological Organisation (WMO) pophunzira zanyengo ndi mbali zina za physics yakumlengalenga kuphatikiza mawonekedwe amvula. Kutsindika kwapadera kumaperekedwa pakulimbikitsa luso la sayansi ndi kusonkhanitsa deta m'mayiko omwe akutukuka kumene. Pakadali pano Mabungwe 69 Otsatira ndi a Union.