Steve Thomas is the host of Planet Green's Renovation Nation, a program that focuses on making green renovations to homes across the country. In his regular column on PlanetGreen.com, Steve goes behind the scenes of the show and offers additional tips and insight on green renovation

In Alexandria, Virginia, I helped a stay-at-home dad whose aspiration it is to build wacky, cool structures for money. He had two kids. His wife is a lawyer. Somebody had to stay home. Otherwise, you're spending millions of dollars in childcare. The task of child-rearing fell to him. He also does sculpture. So he decided to build a studio in the backyard built out of recycled materials. This guy was not a builder. And from the look of his structure, you could tell that he wasn't. He was lacking in building fundamentals. He got a little defensive about that. But that's where Renovation Nation came in. I think we helped him down the road in his yoga-studio quest.

To his credit, he had a vivid imagination. The yoga studio will be a cool place.

He had salvaged a bunch of stuff from the Obama inauguration, including the big sill. He was pretty proud of the fact that he scavenged that.

I told him that if you could come up with a cost-effective way to build cool playhouses and structures, there's a market for it, especially salvaged materials. Using salvaged materials gives people the extra sense of social responsibility that they might need to go ahead and build a structure like this in the backyard.

See photos from the building process in Renovation Nation Slideshow: Presidential Salvage and Rebuilding Green

Watch the Backyard Yoga Studio video

Don't miss the "Presidential Salvage episode of Renovation Nation Steve writes about.