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United Nations Environment Programme ,  [Marine Litter: A Global Challenge] ,  Marine Litter: A Global Challenge

United Nations Environment Programme ,  Arab League Educational, Cultural and Scientific Organization ,  [Programme for Environmental Studies, Red Sea and Gulf of Aden: Jeddab II Conference - Provisional Report] ,  Programme for Environmental Studies, Red Sea and Gulf of Aden: Jeddab II Conference - Provisional Report

United Nations Environment Programme ,  Programme for the Environment of the Red Sea and Gulf of Aden ,  [A Review of the Geology of Coral Reefs in the Red Sea. UNEP Regional Seas Reports and Studies No. 152] ,  A Review of the Geology of Coral Reefs in the Red Sea. UNEP Regional Seas Reports and Studies No. 152

United Nations Environment Programme ,  [Four Years of the Siren] ,  Four Years of the Siren

United Nations Environment Programme ,  [Achievements and Planned Development of UNEP’s Regional Seas Programme and Comparable Programmes Sponsored by Other Bodies. UNEP Regional Seas Reports and Studies No. 001] ,  Achievements and Planned Development of UNEP’s Regional Seas Programme and Comparable Programmes Sponsored by Other Bodies. UNEP Regional Seas Reports and Studies No. 001

United Nations Environment Programme ,  [Our Common Seas: Coasts in Crisis] ,  Our Common Seas: Coasts in Crisis