"Loop" renovation transforms Williamsburg residence

Sustainability informs Brazilian designer's creations.

Most people are down with sustainability. Too bad no one can agree on what it means.

Military steps up effort to go green.

Architect Matt Hofmann sizes down.

Us: Huh?

Scientists say state's water future is "bleak."

Sunday's show will be the most sustainable yet.

Annual study ranks consumer sustainability around the world.

But GM says $350-a-month lease deal will put electric car within reach for many.