Senior program manager Scott Walker points to a computer display showing power usage and availability in the Tennessee Valley Authority System Operations Center in Chattanooga. The year 2012 was 3.2 degrees warmer than the average for the entire 20th century. Last July was the also the hottest month on record.
Photo by
Associated Press /Chattanooga Times Free Press .
published Tuesday, January 8th, 2013
Stories this photo appears in:
WASHINGTON — America set an off-the-charts heat record in 2012.







