Carbon dioxide is turned BACK into coal in world-first breakthrough which ‘could lead to permanently cleaner air’ Prison Planet.com Posted on February 27, 2019 Posted in Aggregated No Comments Tagged with Sci Tech Daily Mail | Scientists have turned carbon dioxide back into coal in a world-first breakthrough which could lead to cleaner air. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email