“Costs of extracting carbon from air fall to $94-$232 a tonne” Posted on June 11, 2018 by Matthew T. Ballew http://news.trust.org/item/20180607155315-6j9gc/ Share this: Email a link to a friend (Opens in new window) Email Share on LinkedIn (Opens in new window) LinkedIn Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook