Photo detail

Senior program manager Scott Walker points to a computer display showing power usage and availability in the Tennessee Valley Authority System Operations Center at TVA headquarters in Chattanooga, Tenn. A TVA official said the utility was equal to the air conditioning load. 2012 was 3.2 degrees warmer than the average for the entire 20th century. Last July was the also the hottest month on record.

Stories this photo appears in:

Tease photo

US roasts to hottest year on record by landslide

America set an off-the-charts heat record in 2012.


Use the comment form below to begin a discussion about this content.

Please review our Policies and Procedures before registering or commenting

News Tribune - comments