In global warming research a lot of attention is paid to a phenomenon that is not well understood called the feedback loop. Simply put, scientists worry that a rise in the earth’s temperature could set off other reactions that would cause global warming to get much worse much faster. A study reported in the journal, Science, helps provide some details to one potential feedback loop. The study shows that warmer temperatures could cause much of the carbon dioxide now trapped in the world’s northern forests to escape and hasten global warming. Laura Knoy spoke with Doctor Michael Goulden who is an assistant professor of earth sciences at the University of California at Irvine. Dr. Goulden headed the research on the feedback study.
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