Global Temperatures in the Modern World
The rise in global temperature over the past 150 years tracks very closely with the rise in CO2. Importantly, natural sources of CO2 cannot account for the observed rise.
![A graph of temperature difference from 20th century average in degrees Celsius from 1860 to 2020. The difference ranges from negative .6 to .8. The data show temperatures have overall been trending higher since the early 1900s.](images/paleoclimate-18.png)
The rise in global temperature over the past 150 years tracks very closely with the rise in CO2. Importantly, natural sources of CO2 cannot account for the observed rise.