<http://schema.org/alternativeHeadline>
"After a year of satellite data collection, detailed maps of Earth's surface show the density of plant life. These maps track how vegetation changes can influence weather and ecology, as well as forecast drought, fire conditions, or malaria outbreaks."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/satellite-photos-show-earths-plant-life-from-space>