Steppe productivity decline contributed to smallpox outbreak and the collapse of the last nomadic empire in the 1750s (science.org)
Tree-ring evidence shows how grassland decline set off smallpox that ultimately ended the last nomadic empire.
Fascinating: Steppe productivity decline contributed to smallpox outbreak and the collapse of the last nomadic empire in the 1750s #disease #climate #governance #socioeconomic |https://www.science.org/doi/10.1126/sciadv.aee4285
