A Small Firm in Germany Has Big Ambitions in Green Energy

WILDPOLDSRIED, Germany — Like many German consumers, Christine Lacher, a nurse, and her husband, Reinhard, a factory supervisor, are careful when it comes to energy use. On a hillside here, they have built their dream house, insulated by clay walls with warm water piped through them.

from Pocket http://ift.tt/2ytM0Hq