The article reports on the formation of the Global Tuna Cities Sustainability Alliance, with the signing ceremony taking place in Bermeo, Spain. The alliance, which includes cities such as Manta, Victoria, Pago Pago, Concarneau, General Santos, and Majuro, aims to foster collaboration among cities dependent on tuna for their economy and culture. The mayors of the participating cities emphasized the importance of sustainable tuna fishing and the need for a partnership between public and private sectors for ocean sustainability. The alliance seeks to expand its membership and is supported by the Bermeo Tuna World Capital (BTWC).