<http://schema.org/about>
"From the eco-tech perspective, the most interesting continent is Africa.  Ill-equipped for the profligate consumption of nearly every resource,  Africa is a study in efficiency, where leadership and ingenuity seem to naturally spring forth; witness,"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/gadgets/africa-the-world-leader-in-sustainable-tech.html>