<http://schema.org/alternativeHeadline>
"There are 104 nuclear power plants in the continental United States, two of which operate in quake-prone areas and others that are in need of major upgrades."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/videos/could-a-nuclear-meltdown-happen-in-us>