She is author of the Richard Jefferies Society Literature Award-winning book Wilding: the return of nature to a British farm that describes the creation of Knepp Wildland, the first large-scale rewilding project in lowland England.
The 3,500-acre (1,400-hectare) wildland project was created in the grounds of Knepp Castle, the ancestral home of her husband, Sir Charles Burrell, a landowner and conservationist.
[4] In 1999 she was Overall Winner of the Travelex Travel Writers' Awards for a feature on Nepal's Kumaris, or "Living Goddesses" – "High and Mighty" – for the Sunday Times.
[citation needed] She married Sir Charles Burrell and lives at Knepp Castle in West Sussex.
Her father was the son of Ronald Tree and a member of a well connected Anglo-American family active in politics and public life on both sides of the Atlantic in the late 19th and first half of the 20th centuries.