High emissions
Medium-high
Low
Medium-low
Projections
Even the low-emission scenario leaves only a faint hope for Arctic sea ice
1
0
-1
-2
Uncertainty
range
-3
-4
Observed
change in sea
ice extent
1990-2018*
-5
-6
-7
-8
1990
2019
2050
Projections
1
0
Uncertainty range
for all emissions
scenarios
-1
-2
-3
Even the low-emission scenario leaves only a faint hope for Arctic sea ice
-4
Observed change in sea ice extent 1990-2018*
-5
-6
Low emissions
-7
Medium-high
Medium-low
-8
High
1990
2019
2050