Posted: Mar 03, 2012 6:32 PM EST
Reporter: Melinda Zosh
Lynchburg, VA - Everyone seems to be talking about going green these days. But how about putting some real green, such as grass, on your roof to cut costs?
Options like that weren't out of the question Saturday at Lynchburg College's Energy Efficiency Expo.
Grass roofs are more expensive than shingles initially, but architects say they never need replacing.
The four-inch grass acts as a natural cooling agent, cutting the expense of running an air conditioner. Architects say the grass doesn't need mowing and it doesn't turn brown, either