<http://schema.org/alternativeHeadline>
"Today marks the 40th anniversary of the day we celebrate our planet (and show it a little more love than usual). Some of our favorite celebs have taken to Twitter to give their personal shout-outs to Mother Earth. Be sure..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.teenvogue.com/story/right-now-imgoing-green-for-earth-day>