Using Jerry Brown's logic:

There's a high concentration of climate change deniers living in Rialto.  They created this spontaneous combustion event Tuesday night.

https://abc7.com/sierra-fire-wind-driven-blaze-burns-147-acres-in-rialto/4686598/

  3 acres to approximately 20 acres within minutes of ignition.

embers from the blaze jumped Riverside Avenue, where some backyards and at least one palm tree caught fire