<http://schema.org/about>
"Some believe biochar could offset as much as 12% of CO2 emissions, but others warn that biochar is no miracle cure&amp;mdash;with the prospects of large-scale biochar plantations and other such enterprises getting activists"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/lawn-garden/author-of-the-biochar-solution-says-its-not-a-solution-video.html>