Comments on: Every observatory in the world now reports carbon dioxide is at highest level in 4 million years

Comments on: Every observatory in the world now reports carbon dioxide is at highest level in 4 million years https://internetbrothers.org/2016/06/18/every-observatory-in-the-world-now-reports-carbon-dioxide-is-at-highest-level-in-4-million-years/ A Hiking Blog Fri, 17 Jun 2016 22:13:16 +0000 hourly 1