As the days get shorter, many of us here in the Bay Area are seeing our utility bills begin their seasonal ascent and perhaps dealing with a bit of seasonal sickness, too. It’s timely then to rethink the ways we protect ourselves from the elements, with our most basic form of shelter—our homes. Today we discuss a range of green and lean residential construction and retrofitting options with architect and building biologist Paula Baker-Laporte of EcoNest Co., Bill Haney, President and Founder of Blu Homes, and Jim Gunshinan, Editor of Home Energy Magazine.