You talk green and recycled what could be that more than Foliage as cover material for a chair used in Harvest project by Asif Khan.
The artist/designer's page details its genesis:
"Commissioned by the Design Museum for the Designers in Residence programme, Harvest is a reseach project using London's flowering foliage as a raw material for furniture production.
Installed in the Design Museum Tank, Jan-March 2010, and at Sawaya & Moroni, Milan April 2010"
Gallery of Ideas for Green Day # 140
Previously: Kpod by kitHAUS, That Quiet Space in Your Backyard, Even Greener with Solar Power