top | item 9771978 (no title) unknown | 10 years ago discuss order hn newest merpnderp|10 years ago That's the human contribution to atmospheric CO2 compared to geological time scales. fexl|10 years ago Sorry I deleted my comment out from under your feet. He was responding to my exclamation about the large spike upward in CO2 levels on that first graph on the EPA site. After posting it, I deleted it because I answered my own question.
merpnderp|10 years ago That's the human contribution to atmospheric CO2 compared to geological time scales. fexl|10 years ago Sorry I deleted my comment out from under your feet. He was responding to my exclamation about the large spike upward in CO2 levels on that first graph on the EPA site. After posting it, I deleted it because I answered my own question.
fexl|10 years ago Sorry I deleted my comment out from under your feet. He was responding to my exclamation about the large spike upward in CO2 levels on that first graph on the EPA site. After posting it, I deleted it because I answered my own question.
merpnderp|10 years ago
fexl|10 years ago