Ultrametaefficient: Cork Chaise Lounge by Daniel Michalik

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.

Renewable Rocking Chair: IKEA/PS GULLHOLMEN

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)

Reclaimed White Oak Chair by Whit McLeod

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