File:Nasa-giss 1880-2009 global temperature.svg

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Summary

Description	Except for a leveling off between the 1940s and 1970s, Earth's surface temperatures have increased since 1880. The last decade has brought the temperatures to the highest levels ever recorded. The graph shows global annual surface temperatures relative to 1951-1980 mean temperatures. As shown by the red line, long-term trends are more apparent when temperatures are averaged over a five year period. English: Nasa giss 1880-2009 global temperature. Source:http://data.giss.nasa.gov/gistemp/graphs/Fig.A2.pdf
Source	http://data.giss.nasa.gov/gistemp/graphs/Fig.A2.pdf and File:Nasa-giss 1880-2009 global temperature.png
Author	NASA/GISS

Licensing

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Dimensions	User	Comment
current	22:54, 23 February 2010	825 × 600 (81 KB)	Beao	Reverted to version as of 22:50, 23 February 2010
	22:54, 23 February 2010	825 × 600 (76 KB)	Beao	Font.
	22:50, 23 February 2010	825 × 600 (81 KB)	Beao	Font.
	22:47, 23 February 2010	825 × 600 (82 KB)	Beao	== Summary == {{Information \|Description=Except for a leveling off between the 1940s and 1970s, Earth's surface temperatures have increased since 1880. The last decade has brought the temperatures to the highest levels ever recorded. The graph shows globa