21st Castiglioncello International Conference

Conflicts, New Arms Races, and Nuclear Risks – 80 years from Hiroshima and Nagasaki.

October 10-12 2025, Castiglioncello (LI), Italy

The Unione Scienziati Per Il Disarmo (USPID) and the Pugwash Conferences on Science and World Affairs are happy to announce the organized in collaboration with the Municipality of Rosignano Marittimo, the Interdisciplinary Center of Sciences for Peace of the University of Pisa, the nterdepartmental Research Center for Peace of the University of Bari and the Interdisciplinary Group on Science Technology and Society of the CNR Pisa Research Area. 

The focus wil be on “Conflicts, New Arms Races, and Nuclear Risks – 80 years from Hiroshima and Nagasaki.”  and will be held from Oct. 10 to Oct. 12, 2023 in Castiglioncello, Livorno, Italy. Link to the Programme. The conference will be held at the traditional venue, Castello Pasquini in Castiglioncello.

This is an in-person meeing, but a zoom connection will also be available to allow remote participation.

The arrival of the participants is scheduled for Thursday, Oct 9 (afternoon) and the departure for Sunday, October 12 (morning).

Contact information: +39-050-2214341;  segreteria.nazionale@uspid.org,