The conference proceedings are based on the joint IMO WMU International Academic Conference held from 10 to 13 October 2022, in Malmö, Sweden at WMU and online. The proceedings underscore the findings from the conference and map out fifty years of ocean protection under the Stockholm Declaration on the Human Environment (Stockholm Declaration) and the London Convention on the Prevention of Marine Pollution by Dumping of Wastes and other matter (London Convention) and the 1996 Protocol to the Convention on the Prevention of Marine Pollution by Dumping of Wastes and other matter, 1972 (London Protocol) while showing how they have shaped normative achievements in international environmental law.