<http://schema.org/url>
<http://www.technologyreview.com/news/521021/if-we-can-bury-carbon-dioxide-why-not-use-it-to-make-electricity/>
<http://www.technologyreview.com/news/521021/if-we-can-bury-carbon-dioxide-why-not-use-it-to-make-electricity/>