Close your eyes and conjure up an image of what you think the most eco-friendly home in the country would look like. Do you imagine a foliage-covered bio-dome surrounded by photovoltaic solar arrays? Or an off-the-grid cob and straw hut nestled in the woods? Or do you think of a 1915 craftsman-style bungalow in the heart of Oakland, CA? One of these options seems like it couldn’t possibly be true, right? What does an old house have to do with being environmentally friendly? But when it’s the home of the founder of the US Green Building Council (USGBC), you probably wouldn’t expect anything less than the greenest home in America...