The Interdisciplinary Centre of Marine and Environmental Research (CIIMAR) of the University of Porto is organizing the conference ‘20 anos da entrada em vigor da CNUDM: Portugal e os recentes desenvolvimentos no Direito do Mar’ (20 years of entry into force of UNCLOS: Portugal and the recent developments in the Law of the Sea). The conference will have two sessions, one on maritime spaces and natural resources and the second on the planning, management and control of the maritime space. The event will be held at the Salão Nobre of the Law Faculty of the University of Porto on 29 of October. Attendance is free but subject to registration. The whole event will be held in Portuguese.