In many past and present ecosystems, changes in animal, plant, and human communities have been more influential in rapid local fire regime disruption than climate. The good news is that, unlike climate change, these direct, proximate community causes can be practically addressed by fire and resource managers.
Pausas, J.G., and J.E. Keeley. 2014. Abrupt climate-independent fire regime changes. Ecosystems 17:1109-1120. DOI: 10.1007/s10021-014-9773-5.