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Sound and independent information
on the environment

Understanding climate change — key message 3

The extent of Arctic summer sea ice has declined by about 10 % per decade since 1979. The extent of the minimum ice cover in September 2007 was half the size of the normal minimum extent in the 1950s; the third lowest minimum extent occurred in September 2010. The summer ice is also getting thinner and younger.

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European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Denmark
Phone: +45 3336 7100