Guest post by Andrew Glikson (Andrew is an Earth and paleo-climate scientist, Australian National University who has contributed regularly to Brave New Climate). The state of the terrestrial atmosphere over the last ~10,000 years (Holocene), when conditions became amenable for agriculture and civilization, and over the preceding ~5 million years (Pliocene-Pleistocene) when prehistoric humans evolved, was constrained by a CO2 range […]
Filed under: Clim Ch Q&A | 30 Comments »