<http://schema.org/about>
"Here's the manifesto by the Spanish wine industry to fight climate change by making wineries more eco-friendly. Vines are very sensitive to climate change and so their environment, landscape, culture and tradition need protecting."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-agriculture/wineries-climate-protection-manifesto.html>