EUROSTAT
- Statistical Office of the European Coomunities

European Bank for Reconstruction and Development

OECD
- Organization for Economic Co-operation and Development

United Nations International Computing Centre (ICC)

Parlamento Europeo

FAO
- Food and Agriculture Organization

UE Unione Europea: Commissione

Council of Europe

DG XI Commissione europea
- Divisione ambiente

EEA

OMS
- Organizzazione Mondiale della Sanità

UNEP
- Programma Ambiente Nazioni Unite

ONU
- Organizzazione delle Nazioni Unite

ICLEI
- International Council for Local Environmental Initiatives

UNESCO
- United Nations Educational, Scientific and Cultural Organization