A Rammed-Earth Home in Napa Valley

One homeowner uses pisé de terre, a 2,000-year-old building method, to make his sustainable home.

Pooling eco-assets is what Easton’s house is all about. Here, water from the pool anchoring the interior courtyard and outdoor fountain combine with San Francisco Bay breezes to deliver cool, moist air to the main house during sweltering summer days.