Is this one possible future for domestic lighting? The MYX lamp by Danish designer Jonas Edvard consists of plant fibre and mushroom-mycelium; the mycelium is a commercial crop, grown on waste material from the textile industry.
The fibre waste is shaped as a lampshade and impregnated with the mycelium. During a period of two to three weeks, the mycelium grows into the plant fibres, stabilising the construction by physically growing into the material and behaving as a glue between the fibres. After a fortnight nutritious oyster mushrooms can be harvested and eaten, leaving behind a lightweight material that is organic, compostable and sustainable.
More information here.