Infographic
Global temperature change with and without human influence
Climate models show that observed warming can only be reproduced in climate model simulations if human actions, including greenhouse gas emissions, are included.
Change in global annual average temperature relative to 1850-1900
2.0°C
1.5
Observed
Simulated human and natural
1.0
0.5
Simulated natural (solar and volcanic)
0
–0.5
1850
1900
1950
2000
Change in global annual average temperature relative to 1850-1900
2.0°C
1.5
Observed
Simulated human and natural
1.0
0.5
Simulated natural (solar and volcanic)
0
–0.5
1850
1950
1975
2000
1875
1900
1925
Change in global annual average temperature relative to 1850-1900
2.0°C
1.5
Observed
Simulated human and natural
1.0
0.5
Simulated natural (solar and volcanic)
0
–0.5
1850
1950
1975
2000
1875
1900
1925
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