<http://schema.org/alternativeHeadline>
"Five years after Hurricane Katrina devastated New Orleans, the U.S. Green Building Council looks back at how green building has helped the city's recovery process."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/money/green-workplace/blogs/usgbcs-post-katrina-progress>