<http://schema.org/alternativeHeadline>
"The U.S. Green Building Council announces that a not-too-shabby  20,000 residential building projects have been bestowed with LEED for Homes certification and that over 79,000 projects are in the pipeline."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/at-home/blogs/20000-and-growing-leed-for-homes-surpasses-milestone>