The near hysterical insistence by green groups that Australia’s undoubtedly very bad bushfire season is the result of man-made climate change and that reducing emissions is the only possible means of preventing more fires has been largely rejected in California, where problems due to fires have been worse.

That green-media narrative has also been affected by other reports showing that deaths due to natural disasters fell to a record low in 2019 and that property damage due to natural disasters was about the 30-year average in 2019 – or at least it would be affected if the report by insurance group...