One more degree. [Link]
That’s all the additional heat rise needed to change the planetary environment says NASA. The announcement indicates that scientific study has finally reached the stage of integration where non-linear (in the mathematical sense) effects are being more comprehensively considered.
The report stops short of talking about what percentage of the human population of the planet will be killed if these changes occur. There is a Republican administration, after all.
Not to worry – NASCAR is still on the television and the paycheck is still electroned to the bank.