You don't need to have a very high average. It's sufficient to have a high wet bulb temperature for a few days to kill off large portions of the population. Als

You don't need to have a very high average. It's sufficient to have a high wet bulb temperature for a few days to kill off large portions of the population. Also consider that Africa is going to represent most of the demographic growth of the world in the next few decades. And consider the effects of all this combined with political instability you quickly get into a situation like the floods in Libya.