High-carbon ice age mystery solved

March 2010
New Scientist;3/13/2010, Vol. 205 Issue 2751, p17
The article discusses the Ordovician ice age and carbon-dating research by scientist Seth Young that indicates that atmospheric concentrations of carbon dioxide that existed at the time were lower than previously inferred by others. Scientist Lee Kump is cited regarding the earlier use of mathematical techniques that masked atmospheric carbon-dioxide concentrations that existed during the Ordovician ice age.


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