<http://schema.org/headline>
"Lights to go out at 8:30 p.m. for &amp;#x2018;Earth Hour&amp;#x2019;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.dailynews.com/environment-and-nature/20140329/lights-to-go-out-at-830-pm-for-earth-hour>