Purcellville’s Green Expo – Hail to the Trail celebrates environmental recreation, exploration, and education. Hail to the Trail – the annual Purcellville Green Expo – is hosted by the Town of Purcellville’s Tree and Environmental Sustainability Committee. This event is free and open to the public, and is great for families, students, and scouts. Local organizations participate to share information about nature and to lead hands-on activities about the environment. Come for guided nature walks, tree plantings, the Town’s annual Arbor Day celebration, live animals, plastic bag collection, live music, nature art projects and games, displays, energy activities, and more. During this event, the Town will celebrate Arbor Day and their participations in the Mayor’s Monarch Pledge.