EcoWatch: A map depicts temperature changes over the past 20 years, compared to the average between 1901 and 1960. "The period from 2001 to 2011 was warmer than any previous decade in every region," according to the National Climate Assessment.
The U.S. Global Change Research Program (USGCRP) released its draft National Climate Assessment on Jan. 11, just a week after the National Oceanic and Atmospheric Administration confirmed the U.S. experienced its warmest year on record.
According to the Letter...