Comment Comment by flavor8 http://www.epa.gov/climatechange/science/indicators/ghg/ghg-...http://www.geocraft.com/WVFossils/last_400k_yrs.htmlhttp://www.sciencemag.org/content/339/6124/1198.abstract parent flavor8 11 years ago
http://www.geocraft.com/WVFossils/last_400k_yrs.html
http://www.sciencemag.org/content/339/6124/1198.abstract