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Cal Fire has been actively preventing people from doing controled maintenance burns for decades.
They do not want to prevent wild fires, they demand them.
Yes, that is absolutely true. The only feasible way to prevent them is controlled burns and CalFire disallowed controlled burns at the beginning of June in the Camp Fire area in Butte county. But what is worse is that of more than a million acres, the county air quality board only allows 6,000 acres of controlled burn at any one time. There is no way enough controlled burns can be done in the few weeks when it is safe.
California create this extreme wildfire problem, it was not a natural occurance.