We seemingly recognise the threats posed by climate change which will include mass migration (for survival's sake) - but this ‘study' recognises a large number will suffer - and of course it will be the poorer members of our society. Large numbers of poor dispossesed people - I can't wait!
https://iopscience.iop.org/article/10.1088/1748-9326/adbd58/pdf
@Wen The most dangerous people are those with nothing left to lose. And there'll be millions, billions of them. I mean us.