Source: Boathouses
Round houses have been a successful design option for thousands of years. Wind passes around the building and finds no resistance. Round buildings achieve much higher wind ratings than traditional straight edged buildings. Round houses also have less surface area on the exterior making for a home that is easier to heat and cool.
Source: Recommissioned Silos
A rocket mass heater is a clean burning, high performance burner usually put together using a majority of recycled and/or natural materials, such as cob. Owners claim an 80-90% reduction in wood usage compared to heating the same space with a metal wood stove.
Source: Rocket Mass Heaters