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United Nations Environment Programme ,  [Transboundary Water Assessment Programme (TWAP) Vol. 6: Crosscutting Analysis - Transboundary Waters Systems: Status and Trends] ,  Transboundary Water Assessment Programme (TWAP) Vol. 6: Crosscutting Analysis - Transboundary Waters Systems: Status and Trends

Intergovernmental Oceanographic Commission of the United Nations Educational Scientific and Cultural Organization ,  United Nations Environment Programme ,  [Transboundary Waters Assessment Programme (TWAP) Vol. 5: Open Ocean: Status and Trends - Summary for Policy Makers] ,  Transboundary Waters Assessment Programme (TWAP) Vol. 5: Open Ocean: Status and Trends - Summary for Policy Makers

United Nations Environment Programme ,  Food and Agriculture Organization of the United Nations ,  [Abandoned, lost or otherwise discarded fishing gear] ,  Abandoned, lost or otherwise discarded fishing gear

United Nations Environment Programme ,  [Seamounts, deep sea corals and fisheries] ,  Seamounts, deep sea corals and fisheries

United Nations Environment Programme ,  [Environmental reporting for African journalists: a handbook of key environmental issues and concepts] ,  Environmental reporting for African journalists: a handbook of key environmental issues and concepts