Design to Save the World

April 22 is World Earth Day and the planet is honoring the occasion with a call to end global warming. Now is a great time to look at ways to slash your utility bills and help the environment. Here's how:
Build to Save Energy >>

^{Photo: Affordable, energy-efficient Monolithic Dome homes in the village of New Ngelepen on Java Island, Indonesia. © Dimas Ardian/Getty Images}