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United Nations Environment Programme ,  United Nations Economic Commission for Europe ,  [GEO-6: Global Environment Outlook: Regional assessment for the Pan-European Region] ,  GEO-6: Global Environment Outlook: Regional assessment for the Pan-European Region

United Nations Environment Programme ,  [GEO-5 for youth: acting for a better world] ,  GEO-5 for youth: acting for a better world

United Nations Environment Programme ,  [GEO-6: Global Environment Outlook: Regional assessment for Asia and the Pacific] ,  GEO-6: Global Environment Outlook: Regional assessment for Asia and the Pacific

United Nations Environment Programme ,  [GEO-6: Panorama Ambiental Global: Avaliação Regional da América Latina e do Caribe, GEO-6: Perspectivas Del Medio Ambiente Mundial: Evaluación regional para América Latina y el Caribe] ,  [GEO-6: Global Environment Outlook: Regional assessment for Latin America and the Caribbean] ,  GEO-6: Global Environment Outlook: Regional assessment for Latin America and the Caribbean