top | item 19901040 More CO2 in the atmosphere today than any point since the evolution of humans 26 points| Creationer | 6 years ago |edition.cnn.com 1 comment order hn newest [+] [-] okket|6 years ago|reply Current discussion: https://news.ycombinator.com/item?id=19897250 (380+ comments)
[+] [-] okket|6 years ago|reply Current discussion: https://news.ycombinator.com/item?id=19897250 (380+ comments)
[+] [-] okket|6 years ago|reply