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Variations in the Earth’s surface temperature: year 1000 to 2100
Deviation in
o
Celsius (in relation to 1990 value)
Global
instrumental
observations
Observations, Norhern Hemisphere, proxy data Projections
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
Scenarios
A1B
0.5
A2
B1
0.0
B2
Bars show
-0.5
the range in
year 2100
-1.0
produced by
several models
1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100
Source: UNEP&GRID/Arendal, Vital Climate Graphics update, 2005.
Year
26 Planet in Peril
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