nulllinullate nullhange in the Arctic
The 200null Arctic nulllinullate Inullnullact Assessnullent nullAnullIAnull
null
concluded that the
Arctic is enullnullected to nulleel the enullnullects onull clinullate change sooner and nullore
severely than other regions onull the earthnull The
Arctic ice cover extent
nullourth Assessnull

ent nullenullort onull
the Inullnullnull
6
echoed and anullnulllinulled the AnullIA nullndingsnull
Arctic ice cover extent
nullurther events have highlighted the rapid changes
taking place in the Arcticnull the greatest reduction in
Arctic ice cover extent
Arctic summer sea ice enullent since satellite onullervations
nullegan occurred in 200null nullith the follonulling tnullo years
enulleriencing the second and third nulliggest reductionsnull
nulle Greenland ice sheet, nullhich could raise sea levels
nully sinullmetres if it melted ay conull mpletely, is currently
losing more than 2null cunullic km a year nullfaster than can
nulle enulllained nully natural meltingnull
null

Inullacts and adanullation challenges
In the Arctic, impacts of climate change nullill include
reductions in the enulltent of sea ice and permafrost,
increased coastal erosion, and an increase in the depth
of permafrost seasonal thanullingnull nullor Arctic human
communities impacts are pronullected to nulle minulled, nullith
detrimental impacts enullpected on infrastructure and Minimum extent Median minimum extent
traditional indigenous nullys of life in these regionsnullnullood
of ice cover 2007 of ice cover (1979-2000)
security for some sunullistence systems nullill nulle threatened
Source: Based on Ahlenius, H., 2007; National Snow and Ice Data Center, 2008.
Minimum extent Median minimum extent
of ice cover 2007 of ice cover (1979-2000)
null
Source: based on a Hugo Alhenius map;National Snow and Ice Data Center, 2008.
Minimum extent Median minimum extent

of ice cover 2007 of ice cover (1979-2000)
Source: based on a Hugo Alhenius map;National Snow and Ice Data Center, 2008.
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