Open data shows lightning, not arson, was the likely cause of most Victorian bushfires last summer

As last summer's horrific bushfires raged, so too did debate about what caused them. Despite the prolonged drought and ever worsening climate change, some people sought to blame the fires largely on arson.

source https://phys.org/news/2020-12-lightning-arson-victorian-bushfires-summer.html