Japan has announced the plan to release treated radioactive water from the Fukushima nuclear plant into the Pacific on Thursday.
Is this the right decision? Is it safe? Will there be an environmental impact? Does this happen elsewhere around the world and how does this situation compare?
Journalists came to this online briefing to hear from some experts about what the evidence says.
Prof Jim Smith, Professor of Environmental Science, University of Portsmouth
Prof Geraldine Thomas, former Professor of Molecular Pathology at Imperial College London, and former Director of the Chernobyl Tissue Bank
This Briefing was accompanied by an SMC Rapid Reaction.