ravenshrike

Um, no, he's not saying that CO2 levels have stayed the same at all. Rather, he's saying that the 1800's measure is flawed, and presents his reasoning for such an argument, something you have failed to do in attempting to refute him(unless you're willing to explain why Callendar cherry picked his measurements) as well as the fact that the low levels were not constant as the stomata records from the Holocene show. In point of fact, the stomata records for plants we have current live examples of all disagree with the ice core measurements. Also, mud, it's made of dirt and liquid water. This means that any chemical reactions present in ice core data, are also present in mud core data.