Summary

Text

Text, copied and pasted from html page:

• Carbon Dioxide
  

417 parts per million (current)

Carbon dioxide levels in the air are at their highest in 650,000 years

• Global Temperature
  

1.18 °C since 1880

Nineteen of the warmest years have occurred since 2000

• Arctic Sea Ice Extent
  

13.0 percent per decade since 1979

In 2012, Arctic summer sea ice shrank to the lowest extent on record

• Ice Sheets
  

428 billion metric tons per year

Satellite data show that Earth's polar ice sheets are losing mass

• Sea Level
  

3.4 millimeters per year

Global average sea level has risen nearly 7" (178 mm) over the past 100 years

• Ocean Heat Added
  

326 zettajoules since 1955

The past 20 years have seen the warmest ocean temperatures on record.

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."