Prather quoted in CO2 article

AirUCI faculty Michael Prather is quoted in an article on Yahoo News which considers the evidence that earth's carbon dioxide levels may be the highest in 15 million years.  Direct evidence (such as ice core samples) and indirect evidence (such as the chemical makeup of ancient plankton or fossilized plants and marine life) are both considered as good scientific documentation and together point to this time frame.  Read the article