<http://schema.org/alternativeHeadline>
"Step aboard Jerko, an off-the-grid houseboat/urban sustainability laboratory that's been moored in one of America's filthiest waterways: Brooklyn's Gowanus Canal."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/at-home/blogs/jerko-little-green-houseboat-on-the-superfund-site>