On: Earth system impacts of the Great Dying in the Americas after 1492 (2019)

[christkv]

If this is the case the Mongols and the Black Death should have similar effects in their day with the level of destruction they caused.

[herval → christkv]

Neither event you mention led to land being reclaimed by nature/regrown into forests/habitats, which allegedly is how the CO2 got recaptured in this theory

[Baeocystin → herval]

Regarding the Black Death:

https://sci-hub.se/https://www.sciencedirect.com/science/art...

The tl;dr is that the forest regrowth appeared to contribute to an ongoing carbon sink event.

[mhmmmmmm → christkv]

Related: https://wwf.panda.org/wwf_news/?199285/Genghis-Khan---the-gr...