Scant evidence that 'wood overuse' at Cahokia caused collapse

Archaeologists excavated around earthen mounds and analyzed sediment cores to test a persistent theory about the collapse of Cahokia, the pre-Columbian Native American city in southwestern Illinois that was once home to more than 15,000 people.

source https://www.sciencedaily.com/releases/2021/04/210408152256.htm