EU countries including Ireland are pressing for a reduction in radioactive discharges from the Sellafield nuclear plant at a conference in Germany today.
The demands for action are being put forward at the OSPAR Convention on the protection of the marine environment of the North East Atlantic, which is meeting in Bremen.
It comes after an international tribunal which heard Ireland's case against the Cumbria plant ordered the British government to co-operate more fully with Ireland on nuclear safety issues.
The UN Permanent Court of Arbitration in the Hague told London it must not carry out any further reprocessing at Sellafield without first consulting the Irish Government.
The Tribunal has told the two countries to agree a mechanism for co-operation on issues of nuclear safety; they must both report back to the Tribunal on their progress.
A full hearing of Ireland's case has been adjourned until later this year.
Last night the Minister for the Environment, Martin Cullen, welcomed the tribunal ruling. But the Minister also said that the Irish Government would continue to make the case that the operations at Sellafield constitute an unacceptable risk.