The 26th Meeting of the ASCOBANS Advisory Committee took place online from 8 to 11 November. This years’ topics, as per Resolution 8.1 (Rev.MOP9), were underwater noise, unexploded ordnance, ocean energy, and marine spatial planning. The species in focus at this meeting were the Harbour Porpoise, the Bottlenose Dolphin, Beaked Whales, and Lagenorhynchus species (Atlantic White-sided Dolphins and White-beaked Dolphins). The meeting agreed on 29 Action Points and 19 Recommendations in its Scientific Session.