<http://schema.org/about>
"There's always a push for kids to play outside, but they \u2014 and you \u2014 should lounge indoors when the particle pollution or ozone is high."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/healthy-spaces/stories/whats-a-mom-to-do-about-air-quality>