Share 'A Pattern Language for Residential Energy Efficiency'

Reposted from i.e., the Center for Energy and Environment's Innovation Exchange blog -- http://mncee.org/Innovation-Exchange/ie/ "The overall name of these interrelated structures is system. The motorcycle is a system. A real system. ...There's so much talk about the system. And so little understanding. That's all a motorcycle is, a system of concepts worked out in steel. There's no part in it,…