Sim Van der Ryn has been a leader in sustainable architecture for over 40 years. As well as creating a portfolio of inspiring green designs -- notably the 1977 Bateson Building in Sacramento -- he is also a teacher and an author. His most recent book "Design for Life" traces his ancestral and ecological design roots. Principal Voices talked to Van der Ryn about the passion which continues to consume his life.
The old warehouses of Portland's Pearl District are home to increasingly cool cultural diversions. Spend a weekend browsing the neighborhood's art galleries, snack on a pumpkin-pie cupcake and enjoy dinner and a show.