penn state university

Northern Hemisphere Sets 1300 Year Climate Warming Record

Northern Hemisphere Sets 1300 Year Climate Warming Record

UNIVERSITY PARK, Pennsylvania, September 2, 2008 (ENS) – Surface temperatures in the Northern Hemisphere were warmer over the last 10 years than any time during the last 1300 years, according to researchers at Penn State’s Earth System Science Center and three other U.S. universities. And, if the climate scientists include the somewhat controversial data derived…