<http://schema.org/alternativeHeadline>
"A new study challenges the conservation movement to become more racially diverse. Mark Tercek explains why it's important and how The Nature Conservancy is accepting the challenge."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/conservation-movement-must-become-more-diverse>