Joel N. Swisher, PhD., PE of the Rocky Mountain Institute talks about energy efficiency. This is a lunch-time talk (brown bag) for the Boulder Green Building Guild. The BGBG is an association of building professionals dedicated to promoting healthier, resource-efficient homes and work places. Our vision is to empower people to build healthy, resource-efficient communities.
Videotaping and editing by Gaia Video Productions, http://www.gaiavideo.com