Treechitecture

"The ultimate in green living is almost here. Think bus shelters, street lamps, and even houses -- all grown from trees. The process of shaping living trees to create objects, referred to as arborsculpture and pooktre, is well known among hobbyists (a simple Web search shows plenty of results for the art form). Now, researchers at Israel's Tel Aviv University are teaming up with eco-living company Plantware to create commercial structures on a larger scale."