Climate scientists first laughed at a ‘bizarre’ campaign against the BoM – then came the harassment

As a target for those with an often visceral distrust of the established science of human-caused global heating, the Bureau of Meteorology’s temperature record might be seen as ground zero. Photograph: Bill Bachman/Alamy

For more than a decade, climate science deniers, rightwing politicians and sections of the Murdoch media have waged a campaign to undermine the legitimacy of the Bureau of Meteorology’s temperature records.

Those records say Australia has warmed by 1.4C since 1910, the year when the bureau’s main quality-controlled climate dataset starts.