Atmospheric CO2 levels hit a record high in 2016 Prison Planet.com Posted on October 30, 2017 Posted in Aggregated No Comments Tagged with Sci Tech Daily Mail | UN warns increase could fuel a 20 metre rise in sea levels and add 3°C to global temperatures. 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