A simple fact - until #ClimateChange cramps the style of the 1%, absolutely nothing will be done to seriously mitigate its effects, no matter how many millions die.
Admittedly, by then, it may be too late to do anything about it. https://www.vice.com/en/article/93k5az/ipcc-says-current-plans-are-insufficient-to-tackle-climate-change-as-emissions-keep-increasing