About The Great Green Exposition

The Great Green Exposition will be a once-in-a-generation public event showcasing the future of sustainable living, regenerative design, and human-scale urbanism. For several weeks in late summer to early autumn 2027, the grounds of historic Syon Park in London will be transformed into a full-scale, walkable temporary English hamlet—conceived by Lew Oliver Inc. and constructed using locally sourced, modular structures that will be repurposed after the event.

Within this living village, over 110 pavilions will host leading businesses, innovators, artisans, and non-profits working toward a greener future. Visitors will encounter immersive exhibits, interactive workshops, live performances, and cultural programming for all ages—blending environmental solutions with the joy, beauty, and conviviality of great public space.

The Great Green Exposition (GGX) is a landmark initiative of The Rhizome Institute, a U.S.-based 501(c)(3) non-profit dedicated to building an optimistic, pragmatic future for environmentalism and urbanism. Led by an accomplished team of designers, planners, and cultural visionaries, GGX brings together decades of expertise in large-scale placemaking, sustainable architecture, and event production. Founders include philanthropist and environmental leader Bob Chapman and Lady Caroline Percy of Syon Park, joined by internationally recognized designer Lew Oliver and a multidisciplinary leadership team with proven track records in delivering transformative projects.

The Great Green Exposition will take place from the late summer to the early autumn of 2028.

Syon Park, the 500-year-old London estate of the Duke of Northumberland, just ten minutes from Heathrow Airport. GGX will utilize thirty acres of its parkland, with six acres dedicated to the central English Hamlet.

By uniting world-class designers, craftspeople, innovators, educators, and thought leaders, The Great Green Exposition will demonstrate regenerative building technologies, sustainable urban design, and new cultural narratives, not as abstract concepts, but as tangible, walkable reality. The modular village model ensures the event leaves a legacy: structures will be relocated and reused, ideas will be documented and shared globally, and new partnerships will continue beyond 2028.

We face urgent global challenges like a rapidly changing climate, the depletion of natural resources, and polarizing social fragmentation that demand not just policy responses, but compelling visions of how life could be better. 

The Great Green Exposition is designed to inspire and equip both the public and professionals with actionable, hopeful models for a thriving, sustainable future. It is an experiential answer to the question: If we built our communities for beauty, ecological harmony, and human connection—what would they look like?