News From the Field
CO2 Higher Today Than Last 2.1 Million Years
June 18, 2009
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.Researchers have reconstructed atmospheric carbon dioxide (CO2) levels over the past 2.1 million years in the sharpest detail yet, shedding new light on its role in the Earth's cycles of cooling and warming.Full Story
The Earth Institute at Columbia University
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