<http://schema.org/alternativeHeadline>
"Beneath the waters of the world's oceans are huge swaths of empty sea where there once were massive schools of fish. We're fishing our way to total disaster."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/blogs/the-end-of-fish-could-soon-be-upon-us>