Outdoor, Back Yard, Stone Patio, Porch, Deck, Trees, Wood Fences, Wall, Horizontal Fences, Wall, Hardscapes, and Walkways “Sustainability is very important to us,” lead architect Heather Dubbeldam says. “It is easy to design with passive systems, to use passive sustainable principles to influence the design and layout of the house.” Her team reduced the need for air conditioning and artificial lighting through carefully positioned doors and windows that draw in natural light and breeze. New insulation, low-flow plumbing fixtures, and low-energy lighting also minimize the homeowners’ dependence on utilities.  Contrast House by Laura C. Mallonee