U.S. Ecologist Berg Shows Bark From a Spruce Tree Infested by Beetles
Date: 20-Aug-08
Country: US
Author: Chris Baltimore
Photo: Chris Baltimore
Records indicate that Alaska has already experienced the largest regional warming of any U.S. State, an average 5 degrees Fahrenheit (3 degrees Celsius) since the 1960s and about 8 degrees Fahrenheit (4.5 degrees Celsius) in the interior of the state during winter months.
