The 49 Club was formed in 1991 as a social forum for those who had worked for the Nature Conservancy and the Nature Conservancy Council. It takes its name from the National Parks and Access to the Countryside Act, 1949 which established the Nature Conservancy and led to the important conservation work that followed.
Membership is now open to all those who have worked or are still working for any of the bodies which have replaced or evolved from the old Nature Conservancy:
- Natural Resources Wales / Countryside Council for Wales
- English Nature / Natural England
- Scottish Natural Heritage / NatureScot
- Joint Nature Conservation Committee
- Institute of Terrestrial Ecology / Centre for Ecology & Hydrology