<http://schema.org/alternativeHeadline>
"Ancient Pacific Northwest forests are vitally important in combating global warming, providing fresh water and medicines to fight cancers."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/climate-weather/stories/the-carbon-credit-value-of-pacific-northwest-old-growth-forest>