<http://schema.org/url>
<http://www.treehugger.com/climate-change/geoengineering-increasing-aerosols-could-make-blue-skies-thing-of-past.html>
<http://www.treehugger.com/climate-change/geoengineering-increasing-aerosols-could-make-blue-skies-thing-of-past.html>