<http://schema.org/alternativeHeadline>
"This surprising discovery won't be enough to stop climate change, but it will help, researchers say."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/climate-weather/stories/deserts-dont-just-absorb-carbon-dioxide-they-squirrel-it-away>