Cultural burning is pretty much the current accepted understanding of how Australian indigenous people managed the land prior to colonisation.

https://study.unimelb.edu.au/student-life/inside-melbourne/c...

https://en.wikipedia.org/wiki/Fire-stick_farming

Just want to reassure you that is not at all 'no longer PC'. If anything, the practice was banned by the coloniser - only for it more recently reintroduced.