On Sunday, April 7, the first four families received keys to their homes in the St. Croix Valley Habitat for Humanity Eco Village project in River Falls, Wis.

Using natural light and environmentally friendly materials are two keys to designing a sustainable home.

A spring home tour offered by the League of Women Voters in the affluent Boston suburbs of Concord and Carlisle is focused on innovations in energy efficiency, green construction, and issues of accessibility as they relate to house design.

A house consists of a series of integrated and interrelated components and systems that affect one other, which is why collaborative design and BIM can be effective tools to improve results

A look at 14 economical upgrades for single-family homes.