<http://schema.org/about>
"The American Community Gardening Association (ACGA) is a bi-national nonprofit that aims to build community by increasing and enhancing community gardening and greening across the United States and Canada. The ACGA reckon there are 20,000 gardens"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-food/giving-through-growing-woodbridge-wines-donate-to-community-garden-projects.html>