6.Also requests the Secretariat to cooperate and coordinate, as appropriate, with the United Nations Environment Programme in the preparation of the assessment of options for strengthening the science-policy interface at the international level for the sound management of chemicals and waste, which was requested of the Executive Director of the United Nations Environment Programme by the United Nations Environment Assembly in its resolution 4/8, particularly with regard to possible synergies and opportunities between the existing mechanisms under the Basel, Rotterdam and Stockholm conventions and the science-policy interface for the wider sound management of chemicals and waste;