"Human activities are estimated to have caused approximately 1.0°C of global warming 5 above pre-industrial levels, with a likely range of 0.8°C to 1.2°C. Global warming is likely to reach 1.5°C between 2030 and 2052 if it continues to increase at the current rate. (high confidence) (Figure SPM.1) {1.2"
3 oC of warming and many millions of people will die. Not to mention species extinction.
