International Association of Geomorphologists (IAG)
Objectives are the development and promotion of geomorphology as a science through international co-operation and dissemination of knowledge of geomorphology.
www.geomorph.org
Geological Society of America - Quaternary Geology and Geomorphology Division
Working to bring together scientists interested in Quaternary geology and geomorphology, to facilitate presentation and discussion of their problems and ideas, and to promote research and publication of results in those fields.
rock.geosociety.org/qgg/index.htm