Condominium and Co-op Apartment associations and owners of larger commercial buildings can reduce their electricity costs and go green by installing wind energy on their roofs. The technology is here. All it takes is some persisitence.

When we hear metal roofs, we usually think of warehouses and commercial buildings. Not any more. Home remodelers are now using them for porches, porticos and entire roofs. They're also literally cooler than asphalt roofs.