English: OSPAR
Welsh: OSPAR
Subject: Amgylchedd
English definition: Oslo-Paris Convention on the protection of the marine environment on the North East Atlantic
Welsh context: Acronym ar gyfer Oslo-Paris Convention on the protection of the marine environment on the North East Atlantic / Confensiwn Oslo-Paris ar warchod yr amgylchedd morol yn rhan Ogledd-ddwyreiniol yr Iwerydd