{"slug":"forest-of-marston-vale","name":"Forest of Marston Vale","tagline":"Bedfordshire charity planting a 61 square mile forest; regular volunteer days at the Forest Centre","description":"The Forest of Marston Vale Trust has been planting trees across 61 square miles of Bedfordshire since 1991, turning old brickworks and clay pits back into woodland. Volunteer days run from the Forest Centre at Marston Moretaine, with a November 2026 session already listed, and donations are counted directly in trees planted. The centre's trails and lake are open to the public.","website_url":"https://www.marstonvale.org","tier":"listed","resident_offers":["volunteer"],"listed_source_url":"https://www.marstonvale.org/","logo_url":null,"founded_year":1991,"org_type":"nonprofit","scope":"regional","headquarters":{"city":"Marston Moretaine","region":"England","country":"GB","lat":52.06,"lng":-0.55},"volunteer_url":"https://www.marstonvale.org/get-involved","donation_url":"https://www.marstonvale.org/donate/general-donations","events_url":"https://www.marstonvale.org/events","featured":false,"trees_on_record":0,"primary_activity":"afforestation","activities":[{"slug":"afforestation","name":"Afforestation","primary":true},{"slug":"urban-forestry","name":"Urban forestry","primary":false}],"updated_at":"2026-11-08T02:21:52.718Z","url":"https://treerm.org/org/forest-of-marston-vale","markdown_url":"https://treerm.org/org/forest-of-marston-vale.md","api_url":"https://treerm.org/api/v1/organizations/forest-of-marston-vale","data_note":null,"derived":{"annual_trees":[],"latest_annual":null,"yoy":null,"cagr":null,"dollars_raised_per_tree":null,"cost_per_tree":null,"trees_per_volunteer":null,"survival":null,"hectares":null,"transparency":{"score":0,"label":"Opaque","points":[{"key":"annual","label":"Publishes annual tree figures","earned":0,"max":20,"why":"No year-by-year figures found"},{"key":"recent","label":"Figures are recent","earned":0,"max":15,"why":"No dated annual figure"},{"key":"sourced","label":"Every figure has a public source","earned":0,"max":10,"why":"No figures on record"},{"key":"money","label":"Publishes financials or cost per tree","earned":0,"max":15,"why":"No financial figure on record"},{"key":"survival","label":"Reports survival or monitoring","earned":0,"max":15,"why":"No survival or monitoring figure on record"},{"key":"verified","label":"Independently verified figure","earned":0,"max":10,"why":"Every figure is the organization's own count"},{"key":"programs","label":"Breaks figures down by program","earned":0,"max":10,"why":"No program breakdown"},{"key":"people","label":"Reports volunteers or events","earned":0,"max":5,"why":"No volunteer figures or events on record"}]},"methodology":"https://treerm.org/methodology"},"countries":["GB"],"social_links":{"instagram":"https://www.instagram.com/forestofmarstonvale","facebook":"https://www.facebook.com/forestofmarstonvale","linkedin":"https://www.linkedin.com/company/forestofmarstonvale"},"programs":[],"metrics":[],"upcoming_events":[],"license":"CC-BY-4.0"}