Timber Cove, CaliforniaÊÊBig dipper. Architect and designer Olle Lundberg relaxes at the mountain home he and his wife Mary Breuer constructed from reclaimed materials salvaged from the shiny office buildings he designs for clients. The couple also live on a converted Icelandic car ferry berthed in San Francisco. Both homes are designed to have a low environmental impact. There are currently only about 8,000 Leadership in Energy and Environmental Design (LEED) certified homes in the United States.ÊÊ