Dr Joëlle Gergis, senior lecturer in climate science Fenner School of Environment and Society, associate investigator ARC Centre of Excellence for Climate Extremes at the Australian National University ‘Even 1.2C of global warming isn’t safe’ We knew by the mid-1990s that lurking in the tails of our climate model projections were monsters: monstrous heatwaves, catastrophic extreme rainfall and floods, subcontinental-scale wildfires, rapid ice sheet collapse raising sea level metres within a century.