News From the Field
Carbon Dioxide is the Missing Link to Past Global Climate Changes

June 17, 2010

Carbon dioxide (CO2) is the missing ingredient in explaining the advent of ice ages in the Northern Hemisphere and why those cold epochs have caused changes in the tropics for the past 2.7 million years. In a paper in the journal Science, Brown University geologist Timothy Herbert and others analyzed ocean sediment cores and found a definitive link between ice ages and ocean surface temperatures in the tropics. They believe CO2 explains the link. Full Story

Source
Brown University

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