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Temperature Data Shows Warming in 2001
November 12, 2001
global warming data graphic
The figure above depicts how much air temperatures near the Earth’s surface changed. The map compares 2001 temperatures to the average global temperature between the years 1951 and 1980. The red and orange colors show that temperatures are warmer in most regions of the world when compared to the 1951 to 1980 “normal” temperatures. The largest warming is in Northern Canada, Alaska and Siberia, as indicated by the deeper red colors. The lower 48 United States have become warmer recently, but only enough to make the temperatures comparable to what they were in the 1930s. The scale on the bottom of these temperature anomaly images represent degrees in Celsius. The negative numbers represent cooling and the positive numbers depict warming.
Image: NASA Goddard Institute for Space Studies

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