Research Fellow Nivedita S attended the annual meeting of the OSPAR’s Radioactive Substances Committee (RSC) held from 6 to 9 February 2024. She was part of the delegation of the Advisory Committee on Protection of the Sea (ACOPS), a non-governmental organisation with observer status with the OSPAR Commission. Held in a hybrid format, topics discussed include floating nuclear power plants, discharge of wastewater from Fukushima Daiichi Nuclear Power Station, discharges and concentrations of radioactive substances in the environment; the impact climate change may have on sources of radioactivity affecting the marine environment; and cooperation with the Arctic Council Emergency Prevention, Preparedness and Response Working Group’s (EPPR) Radiation Expert Group (RAD EG). The International Atomic Energy Agency and the World Nuclear Association also attended as observers. For more information on RSC, see https://www.ospar.org/work-areas/rsc.