<http://schema.org/about>
"We know that almost half of our energy is consumed by buildings, and there are a lot of concerns about what to do with our older housing stock. In Kitchener Ontario, a non-profit called REEP (Residential Energy"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/renovation-turns-old-house-into-green-healthy-house-with-near-zero-heating-bills.html>