Carbon Dioxide May Have Greater Effect on Temperature

June 28, 2010 • Daily Email Recap

The increases in atmospheric carbon dioxide taking place today could have a significantly larger effect on global temperatures than previously thought, according to a new study led by Yale University geologists. The team demonstrated that only a relatively small rise in atmospheric carbon dioxide was associated with a period of substantial warming between three to five million years ago. “This work and other ancient climate reconstructions reveal that Earth’s climate is more sensitive to atmospheric carbon dioxide than is discussed in policy circles,” said Yale geologist Mark Pagani.

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