Progress report, including a plan of action, on the development and use of environmental indicators : report of the Executive Director : UNEP.
Access
English:UNEP_GC_18_8-EN - PDF ; Español:UNEP_GC_18_8-ES - PDF ; Français:UNEP_GC_18_8-FR - PDF ; Русский:UNEP_GC_18_8-RU - PDF ; العربية:UNEP_GC_18_8-AR - PDF ; 中文:UNEP_GC_18_8-ZH - PDF ;