The green guru: Danny Seo was born to save the Earth.

IT WOULD BE EASY TO THINK DESIGNER DANNY SEO was destined to preachthe gospel of green. After all, the 31-year-old eco-living guru was bornon Earth Day, April 22,1977.

But that wasn't actually in his parents' plan. "My mother had a closet full of furs, and my father was a doctor who advocated animal testing," says Seo. "I just started getting into environmental activism when I was little. I think my parents thought it was just a phase." Well, don't they always?

Longbefore he started talking about nontoxic cleansers and solar-powered gadgets on CBS's The Early Show and in the pages of Country Home (where he's an editor at large), the out decorat