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. Using open data, ACEMS analysis shows that arson is to blame for only four per cent of the fires. ACEMS Associate Investigator Professor Dianne Cook lays out that analysis in this story in The Conversation: https://theconversation.com/open-data-shows-lightning-not-arson-was-the-likely-cause-of-most-victorian-bushfires-last-summer-151912