United Nations Environment Programme
Convention on Biological diversity
International union for conservation of nature
European Commission DG Environment
European environment agency
Ville de Strasbourg
European Environmental Bureau
Bern Convention
Ramsar Convention on Wetlands
.
World Wide Fund for Nature
International Federation for Housing and Planning
IAU-idF
Natureparif
Rural Europe
Confederation française pour l'habitat, l'urbanisme, l'aménagement du territoire et l'environnement
Pax Christi
Birdlife ASPO Suisse
