The series comprises letters and enclosures relating to the creation and preservation of plant and wildlife habitats from various organisations, specifically the National Trust, regarding the possible acquisition of a traditional hay meadow at Penybont, Powys, The West Wales Naturalists' Trust, mainly in connection with an appeal to to save the habitat of wild orchids, and the Wildfowl Trust, in a letter written by Peter Scott, concerning the possible creation of a wildfowl reserve on the Dovey estuary