<http://schema.org/alternativeHeadline>
"Four Washington, D.C.-area families become 'Climate Pilots' as part of a green living experiment instituted by the Swedish city of Kalmar."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/remodeling-design/blogs/sweden-fosters-green-american-guinea-pigs>