With the arrival of white settlers, fire began to disappear from these forests. Tribes were forcibly removed from lands they once maintained, and federal firefighting agencies mounted a campaign of fire suppression, extinguishing blazes as quickly as possible.
That meant forests grew denser over the last century. Now, the built-up vegetation has become a tinder box, fueling hotter, more extreme fires, like the Castle Fire, that kill vast swaths of trees.
— Read on www.npr.org/2021/09/17/1037914390/giant-sequoia-national-park-wildfire-climate-change