Indigenous Americans broke the cycle of destructive wildfires. Here’s how they did it | Science
In the southwestern United States, wildfires typically follow a grim, but predictable cycle. When unusually wet years are followed by hot, dry ones, fuel builds up—then burns. But a new look at thousands of fire-scarred tree trunks from the region, combined with archaeology and oral histories, indicates that between 1500 C.E. and 1900 C.E., Indigenous fire management practices managed to break that cycle, buffering the landscape from climate-related…