By by Roberta Harrington in Los Angeles The current rate of atmospheric CO2 increase is 10 times faster than at any other point in the past 50,000 years. This is according to scientists who did a detailed chemical analysis of ancient ice in the Antarctic. The conclusions were published in the Proceedings of the National Academy of Sciences. ‘Studying the past teaches us how today is different,” commented Kathleen Wendt, assistant professor in Oregon State University’s College of Earth, Ocean and Atmospheric Sciences and the lead author of the research. “The rate of CO2 change today really is u…