<http://schema.org/alternativeHeadline>
"PBS announces 2010 'Trash to Treasure' contest which will turn three kids into eco-design stars. Check out the work of last year's brilliant 13-year-old winner."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/computers/blogs/creative-kids-turn-trash-to-treasure>