Ellie Harrison visits the South Haven Peninsula in Dorset to tell the story of conservation's unsung hero Captain Cyril Diver. Diver was a champion of conservation and broke new ground in the 1930s, surveying the whole ecosystem of the peninsula. Ellie spends the day with the National Trust's ecologist Michelle Brown to find out what the Trust have been doing 80 years on from Diver's survey and what the future holds for this diverse landscape. Ellie also talks about her passion and love for nature and conservation, and she takes a look back through the Countryfile archives to see how conservation projects are making a difference across the country.