TreeHugger loves Passivhaus or Passive House; it saves a lot of energy and is really comfortable. We love wood construction and new technologies like Cross Laminated Timber (CLT); it's carbon positive. And we love concepts like cohousing and cooperative living that are social alternatives to standard detached housing.
The House at Mühlwasser, by Christoph Milborn of Imgang hits all three buttons. It is actually three residential units developed cooperatively by three families.