| mcpfe.org | Ministerial Conference on the Protection of Forests in Europe (MCPFE) |
| helcom.fi | HELCOM - Baltic Marine Environment Protection Commission |
| fgov.be | Federale Diensten Voor Het Leefmilieu - Services FÉdÉraux Pour Les Affaires |
| env.cz | Ministry of Environment of Czech Republic |
| bef.lv | Baltic Environment Forum |
| swing.be | Globe European Union |
| eea.eu.int | European Environment Agency |
| dmu.dk | National Environmental Research Institute |
| eionet.eu.int | European Environment Information and Observation NETwork (EIONET) |
| nappo.org | Nappo |
France , Ile-de-France , Paris