<http://schema.org/alternativeHeadline>
"The Chinese megapolis expands its incentive-based recycling initiative in which reverse vending machines dole out subway credits in exchange for recyclable plastic containers."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/recycling/blogs/beijing-straphangers-can-pay-for-subway-fare-by-recycling-plastic-bottles>