Downsizing to an eco-friendly home

New Avenue Homes founder Kevin Casey is rethinking how we live by focusing on multi-generational living, where grandparents, parents, and kids share one piece of land with two homes on it. The parents and kids live in the main house and the grandparents live in an eco-friendly backyard cottage that his company designs and builds. SmartPlanet visits Casey on one of his construction projects in Orinda, Calif.

This post was originally published on Smartplanet.com