Why aren't there more environmentally friendly houses being built? Because developers say building green adds too much to the house's price tag. Not so, says the brash young developers at Postgreen in Philadelphia, who built the $100K house to prove that you can build houses that meet the highest standards in environmental design, and still cost as much - or even less - to build than so-called "regular" houses. New Vid on the team = www.babelgum.com

They are greening Phili - check them out - www.postgreen.com