https://youtu.be/TfzL_SQMv2s?si=pTl7xNwrEVuZqjsj At 2° C global warming, most of a billion people will be experiencing periods where it is simply too hot to live unprotected, outside.But, not too hot to fight, methinks.No word on what happens to other living things in this scenario. Washington Post: Heat waves can already be deadly for the most vulnerable people…