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FRIDAY, JULY 20, 2001

Research published in today's issue of Science predicts the Earth's average temperature will rise between 4 and 7 degrees Fahrenheit in the next 100 years.

Based on a probabilistic model, researchers found a 9-in-10 chance that the global average temperature will rise 3 to 9 degrees. The researchers concluded the 4- to 7-degree increase was most likely.

Various studies have predicted different rises in temperature. A United Nations panel this year concluded a rise between 2.5 and 10.4 degrees.

Over the past century, the average temperature has increased by 1 degree.

Get the Story:
Degrees of Uncertainty in Climate Studies (The Washington Post 7/20)

Relevant Links:
Science - http://www.sciencemag.org

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