[yesthatjallen]

The founding of the United States caused the 'Great Dying of the Indigenous People' which caused a drop in CO2 levels in the atmosphere because trees were allowed to grow.

This proves man (the white man in particular) caused changes in global climate 200 years before the Industrial Revolution.

[Gumdrop]

Well then, have they tackled the project of evaluating the CO2 content of air before and after the Black Plague in 1348?

Next, have they calculated the effect on CO2 in the air before and after the Thirty Years’ War [1618-1648]