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Correlating Climate and Carbon Dioxide

Caption: A brief video of the apparatus that crushes ice for carbon dioxide measurements. This image relates to an article that appeared in the Sept. 11, 2008, issue of Science Express, published by AAAS. The study, by Dr. Jinho Ahn and colleagues at Oregon State University in Corvallis, Ore., was titled "Atmospheric CO2 and Climate on Millennial Time Scales During the Last Glacial Period."

Credit: Video courtesy of Ed Brook

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