The Convention on the Conservation of Migratory Species of Wild Animals (CMS) , a United Nations entity, has prepared “Guidelines on Environmental Impact Assessments for Marine Noise-generating Activities.” These guidelines are available here.
CMS has presented these Guidelines for adoption at COP 12, the Twelfth meeting of the Conference of the Parties to the Convention of Conservation of Migratory Species of Wild Animals, to be held in Manila, October 23-28, 2017.