[citation needed] Every four years, the IUSS holds the World Congress of Soil Science.
As of January 2023, the secretariat was taken over by the Council for Agricultural Research and Economics of Italy.
[2] Previously, the secretariat was managed by Sigbert Huber, an officer of the Environment Agency Austria (Umweltbundesamt), located in Vienna.
The IUSS is a founding partner of the International Year of Planet Earth and supports all of its activities.
The first IUSS President according to the new regulation was Rainer Horn, who acted from the closure (June 13) of the World Congress 2014 till December 31, 2016.