Natural drivers only (solar and volcanic activity)
Natural and human drivers combined
Observed
1.5C
Change in global surface temperature
relative to 1850-1900
1.0
‘Very likely’ range
of simulations
0.5
0
-0.5
1900
1950
2000
1850
1.5C change in global surface temperature relative to 1850-1900
Natural drivers only
(solar and volcanic activity)
Natural and human
drivers combined
1.0
‘Very likely’ range
of simulations
Observed
0.5
0
-0.5
1850
1900
1950
2000
2020