<http://schema.org/alternativeHeadline>
"People's life satisfaction did improve when they moved to greener urban areas and decreased in urban spots where nature was out of sight."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/why-parks-pay-off-green-space-is-good-for-happiness>