Geological Society of America (GSA)
The Geological Society of America (GSA) unites earth scientists and facilitates the sharing of scientific findings about our planet and universe.
International Union of Geological Sciences (IUGS)
The International Union of Geological Sciences (IUGS), founded in 1961, with 121 national members, representing over a million geoscientists, is one of the World’s largest scientific organizations. It encourages international co-operation and participation in the Earth sciences in relation to human welfare and is a member of the International Science Council (ISC).