That really depends on the state/region. You can see in this [1] report that states like Florida and Georgia are burning millions of acres a year in prescribed

That really depends on the state/region. You can see in this [1] report that states like Florida and Georgia are burning millions of acres a year in prescribed burns, while California burns a few ten thousand. [1] http://www.stateforesters.org/sites/default/files/publication-documents/2015%20Prescribed%20Fire%20Use%20Survey%20Report.pdf http://www.stateforesters.org/sites/default/files/publicatio...