<http://schema.org/alternativeHeadline>
"Always a pioneer when it comes to matters of waste disposal, the Texas capital kicks of its 30th annual Christmas tree recycling program in which discarded trees are mixed with sewer sludge to create the city's (in)famous signature compost."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/recycling/blogs/when-sap-meets-sludge-christmas-tree-recycling-in-austin>