United Kingdom
England, Northern Ireland, Scotland, Barn Owl Conservation Network, British Butterfly Conservation Society, British Dragonfly Society, British Trust for Conservation Volunteers, Buglife: The Invertebrate Conservation Trust, Froglife, Mammals Trust UK, Marine Conservation Society, National Trust (UK) - Environment and Conservation, North Wales Butterflies
Le Balkan International
Site of the joint efforts of Le Balkan France Society and Le Balkan Bulgaria Foundation on the conservation of endangered and rare ecosystems, natural habitats, animal and plant species. Site is in French and English.
WWF European Freshwater Programme
The European Freshwater Programme of WWF, the conservation organisation, focuses on restoration, conservation and sustainable development of Europe's rivers and wetlands.