At the online side event of International Law Week, CIL Director Nilüfer Oral presented on sea-level rise and the law of the sea. Dr Oral and Professor Bogdan Aurescu, Co-Chairs of the International Law Commission’s Study Group on Sea-Level Rise in Relation to International Law, provided insights into the Study Group’s first issues paper published in February 2020, which covered issues of possible legal effects of sea-level rise on baselines and outer limits of maritime spaces measured from baselines, on the status of maritime features and on maritime delimitation effected either by treaty or adjudication. At the event, Dr Oral and Professor Aurescu spoke about how they approached the need to preserve legal stability, security, certainty and predictability.