This cork chaise lounge, designed by Daniel Michalik, qualifies as being ultrametaefficient because it is: made with a renewable material, light, aesthetic, waterproof and impervious to rot and mold. It can be used indoors or outdoors.
This minimalist rocking chair is made of renewable banana leaves and rattan. It has a steel base. It is quite comfortable to sit in and massages your pressure points a little. Available from: Ikea ($59)
This chair is made of 100% white oak salvaged from wine barrels discarded by California wineries. It is treated with linseed oil. The chair folds together like so: The price for one chair is $125. They also construct other furniture. Available from: Whit McLeod