<http://schema.org/about>
"Most of us born and raised since the publication of Rachel Carson's Silent Spring have little or no memory of times in the not-so-distant past when DDT was the prime weapon used to combat mosquitoes around the world. Since its ban in the US in 1972, and"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/is-ddt-making-a-comeback.html>